ChemicalBook
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339996-68-8
4H-푸로[3,2-b]티에노[3,2-d]피롤-2,6-디카르복실산,3-하이드록시-7-메틸-,디에틸에스테르(9CI)
4H-Furo[3,2-b]thieno[3,2-d]pyrrole-2,6-dicarboxylic acid, 3-hydroxy-7-methyl-, diethyl ester (9CI)
897938-46-4
1H-푸로[2,3-d]이미다졸-5,6-디아민,N,N-디에틸-1-히드록시-,3-옥사이드(9CI)
1H-Furo[2,3-d]imidazole-5,6-diamine, N,N-diethyl-1-hydroxy-, 3-oxide (9CI)
877397-09-6
6H-푸로[2,3-b]피롤-4,5-디아민,6-에톡시-
6H-Furo[2,3-b]pyrrole-4,5-diamine, 6-ethoxy-
234443-67-5
2H-Furo[2,3-b]pyrrol-3(4H)-one, 5,6-dihydro-6-phenyl- (9CI)
2H-Furo[2,3-b]pyrrol-3(4H)-one, 5,6-dihydro-6-phenyl- (9CI)
267-47-0
5H-푸로[2,3-f]인돌
5H-Furo[2,3-f]indole
863993-85-5
7H-푸로[3,2-f]인돌
7H-Furo[3,2-f]indole
131169-38-5
5H-푸로[2,3-c]피롤-5-카르복실산,4,6-디히드로-,에틸에스테르
5H-Furo[2,3-c]pyrrole-5-carboxylic acid, 4,6-dihydro-, ethyl ester
877396-14-0
4H-Furo[3,2-b]pyrrole-2,5-diamine, N2-ethyl-4-methoxy-
4H-Furo[3,2-b]pyrrole-2,5-diamine, N2-ethyl-4-methoxy-
17368-05-7
2H-푸로[4,3,2-de]퀴놀린(8CI,9CI)
2H-Furo[4,3,2-de]quinoline (8CI,9CI)
19546-89-5
6H-푸로[3,2-e]인돌
6H-Furo[3,2-e]indole
315665-37-3
6H-푸로[2,3-b]피롤-5-카르복실산,6-메틸-2-[(4-옥소-2-티옥소-5-티아졸리디닐리덴)메틸]-,메틸에스테르
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 6-methyl-2-[(4-oxo-2-thioxo-5-thiazolidinylidene)methyl]-, methyl ester
201019-31-0
6H-푸로[2,3-b]피롤-5-카르복실산,2-포르밀-6-메틸-,메틸에스테르
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-formyl-6-methyl-, methyl ester
863994-90-5
8H-푸로[3,2-g]인돌
8H-Furo[3,2-g]indole
81815-40-9
4H-Furo[2,3:3,4]pyrazolo[1,2-a]pyridazine (9CI)
4H-Furo[2,3:3,4]pyrazolo[1,2-a]pyridazine (9CI)
856945-73-8
1H-푸로[3,4-d]이미다졸,4,6-디하이드로-
1H-Furo[3,4-d]imidazole, 4,6-dihydro-
88730-87-4
1H-푸로[3,2-e]이소인돌(9CI)
1H-Furo[3,2-e]isoindole (9CI)
82670-90-4
4H-Furo[3,4-c]pyrazol-4-one, 1,6-dihydro-1,3-dimethyl-
4H-Furo[3,4-c]pyrazol-4-one, 1,6-dihydro-1,3-dimethyl-
291521-59-0
1H-Furo[2,3-c]pyrazole-4-carbonitrile, 5-amino-2,3-dihydro-3-oxo-1-phenyl-
1H-Furo[2,3-c]pyrazole-4-carbonitrile, 5-amino-2,3-dihydro-3-oxo-1-phenyl-
877396-26-4
4H-푸로[3,2-b]피롤-2,4,5-트리아민,N2-메틸-
4H-Furo[3,2-b]pyrrole-2,4,5-triamine, N2-methyl-
897938-82-8
1H-푸로[3,2-c]피라졸-5,6-디아민,N,N-디에틸-1-히드록시-,2-옥사이드(9Cl)
1H-Furo[3,2-c]pyrazole-5,6-diamine, N,N-diethyl-1-hydroxy-, 2-oxide (9CI)
210-91-3
2H-푸로[3,2-e]벤조트리아졸
2H-Furo[3,2-e]benzotriazole
263010-24-8
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-formyl-6-methyl-
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-formyl-6-methyl-
244182-31-8
6H-푸로[2,3-b]피롤-5-카르복실산,2-(2,2-디시아노에테닐)-6-메틸-,메틸에스테르
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-(2,2-dicyanoethenyl)-6-methyl-, methyl ester
897938-40-8
1H-푸로[2,3-d]이미다졸-2,5-디아민,1-하이드록시-N,N-디메틸-,3-옥사이드(9CI)
1H-Furo[2,3-d]imidazole-2,5-diamine, 1-hydroxy-N,N-dimethyl-, 3-oxide (9CI)
201019-33-2
6H-푸로[2,3-b]피롤-5-카르복실산,6-메틸-,히드라지드
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 6-methyl-, hydrazide
785044-56-6
1H-Furo[2,3-c]pyrazolium, 4-(ethoxycarbonyl)-2,5-dimethyl-3-[(1-methyl-4(1H)-pyridinylidene)methyl]-1-phenyl-
1H-Furo[2,3-c]pyrazolium, 4-(ethoxycarbonyl)-2,5-dimethyl-3-[(1-methyl-4(1H)-pyridinylidene)methyl]-1-phenyl-
440111-05-7
2H-Furo[2,3-h]-1-benzopyran-2-one, 4-methyl-8-(phenylamino)-
2H-Furo[2,3-h]-1-benzopyran-2-one, 4-methyl-8-(phenylamino)-
42424-75-9
7H-푸로[2,3-f]인돌
7H-Furo[2,3-f]indole
218596-82-8
1H-푸로[3,2-g]인다졸(9CI)
1H-Furo[3,2-g]indazole (9CI)
877397-07-4
6H-푸로[2,3-b]피롤-4,5-디아민,6-히드록시-
6H-Furo[2,3-b]pyrrole-4,5-diamine, 6-hydroxy-
315665-41-9
6H-푸로[2,3-b]피롤-5-카르복실산,6-메틸-2-[(5-옥소-2-티옥소-4-이미다졸리디닐리덴)메틸]-,메틸에스테르
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 6-methyl-2-[(5-oxo-2-thioxo-4-imidazolidinylidene)methyl]-, methyl ester
63303-27-5
1H-푸로[3,2-e]인다졸(9CI)
1H-Furo[3,2-e]indazole (9CI)
315665-50-0
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-[[3-(acetylamino)-4-oxo-2-thioxo-5-thiazolidinylidene]methyl]-6-methyl-, methyl ester
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-[[3-(acetylamino)-4-oxo-2-thioxo-5-thiazolidinylidene]methyl]-6-methyl-, methyl ester
38242-43-2
2H-Furo[2,3-f]indole (9CI)
2H-Furo[2,3-f]indole (9CI)
246139-72-0
10H-Furo[2,3-b][1,5]benzodiazepin-2-amine, 4,10-dimethyl-
10H-Furo[2,3-b][1,5]benzodiazepin-2-amine, 4,10-dimethyl-
592524-40-8
4H-Furo[3,4-c]pyrazol-4-one,3,3a,6,6a-tetrahydro-6-methoxy-3-methyl-,(3R,3aS,6R,6aR)-rel-
4H-Furo[3,4-c]pyrazol-4-one,3,3a,6,6a-tetrahydro-6-methoxy-3-methyl-,(3R,3aS,6R,6aR)-rel-
78329-69-8
4H-Furo[3,4-d][1,3]oxazin-2(1H)-one,4,4-dimethyl-(9CI)
4H-Furo[3,4-d][1,3]oxazin-2(1H)-one,4,4-dimethyl-(9CI)
260557-59-3
4H-Furo[2,3-b]pyran,hexahydro-3-(1-methylethyl)-,(3R,3aR,7aS)-rel-(9CI)
4H-Furo[2,3-b]pyran,hexahydro-3-(1-methylethyl)-,(3R,3aR,7aS)-rel-(9CI)
42304-68-7
1H-푸로[2,3-f]인다졸(9CI)
1H-Furo[2,3-f]indazole (9CI)
57174-47-7
1H-Furo[2,3-g]indazole (9CI)
1H-Furo[2,3-g]indazole (9CI)
6544-76-9
7H-푸로[3,2-f][1]벤조피란-7-온
7H-Furo[3,2-f][1]benzopyran-7-one
484-91-3
2H-Furo[3,4-b]pyran-4,7(3H,5H)-dione
2H-Furo[3,4-b]pyran-4,7(3H,5H)-dione
5768-44-5
8H-푸로[3,2-h][1]벤조피란-8-온
8H-Furo[3,2-h][1]benzopyran-8-one
681283-09-0
4H-Furo[2,3-b]pyran-3-ol, hexahydro-2-methyl-, (2S,3S,3aR,7aS)- (9CI)
4H-Furo[2,3-b]pyran-3-ol, hexahydro-2-methyl-, (2S,3S,3aR,7aS)- (9CI)
201805-09-6
1H-Furo[3,4-b]pyrrole-2,6(3H,4H)-dione,dihydro-6a-methyl-,cis-(9CI)
1H-Furo[3,4-b]pyrrole-2,6(3H,4H)-dione,dihydro-6a-methyl-,cis-(9CI)
505081-54-9
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2R,3R,7S,7aR)- (9CI)
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2R,3R,7S,7aR)- (9CI)
749192-72-1
1H-Furo[2,3-g]indazole-1-ethanamine,3-ethyl-(9CI)
1H-Furo[2,3-g]indazole-1-ethanamine,3-ethyl-(9CI)
108943-26-6
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-,(3aR,4R,6aS)-rel-(9CI)
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-,(3aR,4R,6aS)-rel-(9CI)
595610-49-4
1H-Furo[2,3-c]pyrazole-3-carboxylicacid,4,5-dihydro-(9CI)
1H-Furo[2,3-c]pyrazole-3-carboxylicacid,4,5-dihydro-(9CI)
144259-19-8
3H-Furo[3,4-b]indol-3-one,7-ethoxy-1,4-dihydro-(9CI)
3H-Furo[3,4-b]indol-3-one,7-ethoxy-1,4-dihydro-(9CI)
476330-17-3
6H-Furo[3,2-d]-1,3-dioxin-6-one,4a-ethoxytetrahydro-2,2-dimethyl-,(4aR,7aR)-(9CI)
6H-Furo[3,2-d]-1,3-dioxin-6-one,4a-ethoxytetrahydro-2,2-dimethyl-,(4aR,7aR)-(9CI)
146850-12-6
8H-Furo[3,4-e]benzimidazol-8-one,1,6-dihydro-2-methyl-(9CI)
8H-Furo[3,4-e]benzimidazol-8-one,1,6-dihydro-2-methyl-(9CI)
263010-20-4
6H-Furo[2,3-b]pyrrole-5-carboxylicacid,6-methyl-(9CI)
6H-Furo[2,3-b]pyrrole-5-carboxylicacid,6-methyl-(9CI)
511272-16-5
2H-Furo[2,3-d]imidazol-2-one,5-(aminomethyl)hexahydro-6a-methoxy-,(3aS,5S,6aS)-(9CI)
2H-Furo[2,3-d]imidazol-2-one,5-(aminomethyl)hexahydro-6a-methoxy-,(3aS,5S,6aS)-(9CI)
592524-36-2
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-3-methyl-,(3R,3aR,4R,6aS)-rel-(9CI)
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-3-methyl-,(3R,3aR,4R,6aS)-rel-(9CI)
802919-01-3
2H-Furo[3,2-b]pyrrol-3(3aH)-one,4-acetyltetrahydro-,(3aR,6aR)-rel-(9CI)
2H-Furo[3,2-b]pyrrol-3(3aH)-one,4-acetyltetrahydro-,(3aR,6aR)-rel-(9CI)
820968-52-3
2H-Furo[3,2-b][1,4]benzothiazin-2-one,3-methyl-(9CI)
2H-Furo[3,2-b][1,4]benzothiazin-2-one,3-methyl-(9CI)
495-30-7
7H-Furo(3,2-g)(1)benzopyran-7-one, 2-(1-(beta-D-glucopyranosyloxy)-1-m ethylethyl)-2,3-dihydro-, (S)-
7H-Furo(3,2-g)(1)benzopyran-7-one, 2-(1-(beta-D-glucopyranosyloxy)-1-m ethylethyl)-2,3-dihydro-, (S)-
3804-70-4
2H-Furo(2,3-h)-1-benzopyran-2-one, 8,9-dihydro-8-(1-hydroxy-1-methylet hyl)-, (S)-
2H-Furo(2,3-h)-1-benzopyran-2-one, 8,9-dihydro-8-(1-hydroxy-1-methylet hyl)-, (S)-
77420-13-4
4H-Furo(2,3-b)(1,5)benzodiazepin-4-one, 2,3,3a,5-tetrahydro-3a-ethyl-2 -methyl-
4H-Furo(2,3-b)(1,5)benzodiazepin-4-one, 2,3,3a,5-tetrahydro-3a-ethyl-2 -methyl-
115996-13-9
2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2R-(2alpha,3abeta,6abeta)]- (9CI)
2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2R-(2alpha,3abeta,6abeta)]- (9CI)
176749-50-1
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-(hydroxymethyl)-,[3aS-(3aalpha,4alpha,6aalpha)]-(9CI)
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-(hydroxymethyl)-,[3aS-(3aalpha,4alpha,6aalpha)]-(9CI)
757231-86-0
4H-Furo[2,3-b]pyran,3a,5,6,7a-tetrahydro-7a-methoxy-2-methyl-,(3aR,7aR)-rel-(9CI)
4H-Furo[2,3-b]pyran,3a,5,6,7a-tetrahydro-7a-methoxy-2-methyl-,(3aR,7aR)-rel-(9CI)
67777-61-1
5H-푸로(3,2-g)(1)벤조피란-5-온
5H-furo(3,2-g)(1)benzopyran-5-one
475134-56-6
2H-Furo[2,3-d]imidazol-2-one,5-(aminomethyl)hexahydro-6a-methoxy-,(5R)-(9CI)
2H-Furo[2,3-d]imidazol-2-one,5-(aminomethyl)hexahydro-6a-methoxy-,(5R)-(9CI)
6H-FURO[2,3-B]PYRROLE-5-CARBOXYLIC ACID ETHYL ESTER
6H-FURO[2,3-B]PYRROLE-5-CARBOXYLIC ACID ETHYL ESTER
250-91-9
4H-푸로[3,2-b]피롤
4H-furo[3,2-b]pyrrole
267-39-0
1H-푸로[3,4-f]벤즈이미다졸(8CI,9CI)
1H-Furo[3,4-f]benzimidazole(8CI,9CI)
157904-76-2
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-(9CI)
6H-Furo[3,4-c]pyrazol-6-one,3,3a,4,6a-tetrahydro-4-methoxy-(9CI)
133-26-6
7H-Furo3,2-g1benzopyran-7-one, 3-methoxy-2-(1-methylethyl)-
7H-Furo3,2-g1benzopyran-7-one, 3-methoxy-2-(1-methylethyl)-
61191-12-6
6H-Furo2,3-gpyrido4,3-bindol-6-one, 4,5,7,10-tetrahydro-8-methyl-
6H-Furo2,3-gpyrido4,3-bindol-6-one, 4,5,7,10-tetrahydro-8-methyl-
260557-60-6
4H-Furo[2,3-b]pyran,hexahydro-3-(1-methylethyl)-,(3R,3aS,7aR)-rel-(9CI)
4H-Furo[2,3-b]pyran,hexahydro-3-(1-methylethyl)-,(3R,3aS,7aR)-rel-(9CI)
802306-25-8
3H-Furo[3,4-d][1,3]benzodiazepin-3-one,1,4-dihydro-5,9-dimethyl-(8CI)
3H-Furo[3,4-d][1,3]benzodiazepin-3-one,1,4-dihydro-5,9-dimethyl-(8CI)
201019-27-4
6H-푸로[2,3-b]피롤-5-카르복실산,메틸에스테르(9CI)
6H-Furo[2,3-b]pyrrole-5-carboxylicacid,methylester(9CI)
794528-61-3
2H-Furo[3,2-c]pyrrolo[1,2-a]azepine-2,8(1H)-dione,octahydro-1-methyl-,(1R,3aR,10aS,10bS)-(9CI)
2H-Furo[3,2-c]pyrrolo[1,2-a]azepine-2,8(1H)-dione,octahydro-1-methyl-,(1R,3aR,10aS,10bS)-(9CI)
684237-03-4
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2S,3S,7S,7aS)- (9CI)
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2S,3S,7S,7aS)- (9CI)
116050-86-3
2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2S-(2alpha,3aalpha,6aalpha)]- (9CI)
2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2S-(2alpha,3aalpha,6aalpha)]- (9CI)
165-88-8
11H-푸로3,2-g피라노3,2-bxanthene
11H-Furo3,2-gpyrano3,2-bxanthene
681283-11-4
4H-Furo[2,3-b]pyran-3-ol, hexahydro-2-methyl-, (2R,3R,3aS,7aR)- (9CI)
4H-Furo[2,3-b]pyran-3-ol, hexahydro-2-methyl-, (2R,3R,3aS,7aR)- (9CI)
684237-04-5
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2S,3R,7S,7aS)- (9CI)
5H-Furo[3,4-b]pyran-5-one, 2,3,7,7a-tetrahydro-3-hydroxy-7-methyl-2-(1E)-1-propenyl-, (2S,3R,7S,7aS)- (9CI)
104270-66-8
4H-푸로[3,2-c]피란-3-카르보닐클로라이드,6-메틸-4-옥소-(9CI)
4H-Furo[3,2-c]pyran-3-carbonyl chloride, 6-methyl-4-oxo- (9CI)
535169-98-3
1H-Furo[3,4-c]pyrrole-4-carboxylicacid,3,5-dihydro-,ethylester(9CI)
1H-Furo[3,4-c]pyrrole-4-carboxylicacid,3,5-dihydro-,ethylester(9CI)
156750-06-0
1H-Furo[3,4-d]imidazol-2(3H)-one,tetrahydro-,cis-(9CI)
1H-Furo[3,4-d]imidazol-2(3H)-one,tetrahydro-,cis-(9CI)
340701-63-5
1H-푸로[3,4-b]피롤리진(9CI)
1H-Furo[3,4-b]pyrrolizine(9CI)
803620-94-2
3H-Furo[3,4-d][1,3]benzodiazepin-3-one,5-ethyl-1,4-dihydro-(8CI)
3H-Furo[3,4-d][1,3]benzodiazepin-3-one,5-ethyl-1,4-dihydro-(8CI)
52603-72-2
3H-Furo[3,4-c]pyrazole-4,6-dione,3a,6a-dihydro-6a-methyl-,cis-(9CI)
3H-Furo[3,4-c]pyrazole-4,6-dione,3a,6a-dihydro-6a-methyl-,cis-(9CI)
937661-33-1
4H-Furo[3,4-c]pyrazol-4-one, 2,6-dihydro-3,6-dimethyl-
4H-Furo[3,4-c]pyrazol-4-one, 2,6-dihydro-3,6-dimethyl-
207910-68-7
2H-푸로[4,3,2-cd]옥시레노[f][1,2]벤즈이속사졸(9CI)
2H-Furo[4,3,2-cd]oxireno[f][1,2]benzisoxazole(9CI)
38143-39-4
10H-Furo[3,4:3,4]pyrrolo[1,2-a]benzimidazole(9CI)
10H-Furo[3,4:3,4]pyrrolo[1,2-a]benzimidazole(9CI)
535170-06-0
1H-Furo[3,4-c]pyrrole-4-carboxylicacid,3,5-dihydro-,methylester(9CI)
1H-Furo[3,4-c]pyrrole-4-carboxylicacid,3,5-dihydro-,methylester(9CI)
741667-75-4
1H-Furo[2,3-c]pyrazolium, 4-(ethoxycarbonyl)-2,5-dimethyl-3-[(1-methyl-2(1H)-pyridinylidene)methyl]-1-phenyl- (9CI)
1H-Furo[2,3-c]pyrazolium, 4-(ethoxycarbonyl)-2,5-dimethyl-3-[(1-methyl-2(1H)-pyridinylidene)methyl]-1-phenyl- (9CI)
263010-40-8
6H-푸로[2,3-b]피롤-5-카르복실산,2-[이미노(페닐아미노)메틸]-6-메틸-,메틸에스테르
6H-Furo[2,3-b]pyrrole-5-carboxylic acid, 2-[imino(phenylamino)methyl]-6-methyl-, methyl ester
928850-33-3
1H-푸로[2,3-c]피라졸-4-카르복실산,3-포르밀-5-메틸-1-페닐-,에틸에스테르
1H-Furo[2,3-c]pyrazole-4-carboxylic acid, 3-formyl-5-methyl-1-phenyl-, ethyl ester
HG-LINK(TM) ALEXA FLUOR(R) 555 PHENYLMERCURY, DISODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 555 PHENYLMERCURY, DISODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 594 PHENYLMERCURY, SODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 594 PHENYLMERCURY, SODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 350 PHENYLMERCURY
HG-LINK(TM) ALEXA FLUOR(R) 350 PHENYLMERCURY
HG-LINK(TM) ALEXA FLUOR(R) 488 PHENYLMERCURY
HG-LINK(TM) ALEXA FLUOR(R) 488 PHENYLMERCURY
HG-LINK(TM) ALEXA FLUOR(R) 405 PHENYLMERCURY, DISODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 405 PHENYLMERCURY, DISODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 647 PHENYLMERCURY, DISODIUM SALT
HG-LINK(TM) ALEXA FLUOR(R) 647 PHENYLMERCURY, DISODIUM SALT
1H,7H-5a,6,8,9-tetrahydro-1-oxopyrano(4,3-b)(1)benzopyran-3-acetic acid
1H,7H-5a,6,8,9-tetrahydro-1-oxopyrano(4,3-b)(1)benzopyran-3-acetic acid
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