Structure	Chemical Name	CAS	MF
	6-Oxa-3-azabicyclo[3.1.0]hexane, 3-[(4-Methylphenyl)sulfonyl]-	159555-66-5	C11H13NO3S
	6-Oxa-3-azabicyclo[3.1.0]hexane, 3-(phenylMethyl)-	75390-09-9	C11H13NO
	6-Oxa-3-azabicyclo[3.1.0]hexane, 3-cyclohexyl-	75390-07-7	C10H17NO
	6-Oxa-3-azabicyclo[3.1.0]hexane	285-68-7	C4H7NO
	2-Oxa-3-azabicyclo[2.2.2]oct-5-ene	7160-44-3	C6H9NO
	1-oxa-7-azaspiro[4.5]decan-2-one	1315303-69-5	C8H13NO2
	8-Oxa-5-azaspiro[3.5]nonane	602326-48-7	C7H13NO
	2-oxa-7-azaspiro[3.5]nonane 2,2,2-trifluoroacetate	1257381-44-4	C9H14F3NO3
	1-Oxa-7-aza-spiro[4.4]nonane	176-12-5	C7H13NO
	2-Oxa-7-azaspiro[4.4]nonan-1-one	1309588-02-0	C7H11NO2
	8-Oxa-2-aza-spiro[4.5]decane hydrochloride	1408074-48-5	C8H16ClNO
	2-Oxa-6-azaspiro[3.5]nonane oxalate	1366396-42-0	C9H15NO5
	5-Oxa-2-aza-spiro[3.4]octane	145309-24-6	C6H11NO
	6-Oxa-1-azaspiro[3.3]heptane oxalate	1359655-43-8	C7H11NO5
	1-Oxa-6-azaspiro[3.4]octane oxalate		C8H13NO5
	2-Oxa-7-azaspiro[3.5]nonane oxalate	1379811-94-5	C9H15NO5
	6-Oxa-1-aza-spiro[3.4]octane oxalate	71850-23-2	C6H11NO
	2-Oxa-6-azaspiro[3.4]octan-7-one	1207174-87-5	C6H9NO2
	6-Oxa-2-aza-spiro[3.5]nonane	1214875-08-7	C7H13NO
	1-Oxa-9-azaspiro[5.5]undec-3-ene-9-carboxylic acid, 1,1-diMethylethyl ester	374795-40-1	C14H23NO3
	4-(4-(8-oxa-3-azabicyclo[3.2.1]octan-3-yl)-1-(1,4-dioxaspiro[4.5]decan-8-yl)-1H-pyrazolo[3,4-d]pyriMidin-6-yl)aniline	1144068-84-7	C25H30N6O3
	1-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 3-hydroxy-, 1,1-diMethylethyl ester	374795-42-3	C14H25NO4
	1-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 4-hydroxy-, 1,1-diMethylethyl ester	374796-29-9	C14H25NO4
	1-Oxa-7-azaspiro[4.5]decane (Hydrochloride)	1415562-85-4	C8H16ClNO
	1-Oxa-2-azaspiro[2.5]octane	185-80-8	C6H11NO
	1-Oxa-6-azaspiro[3.3]heptane-6-carboxylic acid, 3,3-diMethyl-, 1,1-diMethylethyl ester	936850-12-3	C12H21NO3
	6-Oxa-1-azaspiro[3.3]heptane, 1-(phenylMethyl)-	1223573-38-3	C12H15NO
	2-Oxa-3-azabicyclo[2.2.2]oct-5-ene-3-carboxylic acid, 1,1-diMethylethyl ester	110590-29-9	C11H17NO3
	2-Oxa-3-azabicyclo[2.2.2]oct-5-ene, 2,2,2-trifluoroacetate	809288-09-3	C8H10F3NO3
	1-Oxa-6-azaspiro[3.5]nonane-6-carboxylic acid, 2,2,3,3,7,7-hexaMethyl-, Methyl ester	240113-60-4	C15H27NO3
	1-Oxa-9-azaspiro[5.5]undecan-5-aMine	174469-94-4	C9H18N2O
	7-Oxa-2-azaspiro[3.5]nonane-2-carboxylic acid, 1-oxo-, 1,1-diMethylethyl ester	193023-02-8	C12H19NO4
	1-Oxa-7-azaspiro[5.5]undecan-8-one	67410-80-4	C9H15NO2
	1-Oxa-8-azaspiro[4.5]decane-8-carboxylic acid, 2-(aMinoMethyl)-, 1,1-diMethylethyl ester	1160246-90-1	C14H26N2O3
	5-Oxa-2-azaspiro[3.5]nonane-8-carboxylic acid, 1,6-dioxo-, phenylMethyl ester, (4R,8R)-rel-	144373-56-8	C15H15NO5
	2-Oxa-6-azaspiro[3.3]heptane-6-ethanaMine	54384-40-6	C7H14N2O
	5-Oxa-2-azaspiro[3.5]nonane-8-carboxylic acid, 1,6-dioxo-, (4R,8S)-rel-	144373-59-1	C8H9NO5
	1-Oxa-8-azaspiro[4.5]decan-2-one	167364-29-6	C8H13NO2
	1-Oxa-9-azaspiro[5.5]undecan-5-ol	174469-91-1	C9H17NO2
	2-Oxa-9-azaspiro[5.5]undecane-9-carboxylic acid, 1,1-diMethylethyl ester	374795-47-8	C14H25NO3
	1-Oxa-9-azaspiro[5.5]undecane, 9-(phenylMethyl)-	102234-76-4	C16H23NO
	1-Oxa-8-azaspiro[4.5]decane, 2,2-diMethyl-	374794-94-2	C10H19NO
	1-Oxa-7-azaspiro[3.5]nonane-7-carboxylic acid, 2-(iodoMethyl)-, 1,1-diMethylethyl ester	1160246-84-3	C13H22INO3
	1-Oxa-8-azaspiro[4.5]decane-8-carboxylic acid, 3-(aMinoMethyl)-, 1,1-diMethylethyl ester	1160246-96-7	C14H26N2O3
	2-Oxa-9-azaspiro[5.5]undecane (9CI)	374795-48-9	C9H17NO
	2-Oxa-6-azaspiro[3.4]octan-8-aMine, 6-(phenylMethyl)-	219869-44-0	C13H18N2O
	1-Oxa-8-azaspiro[4.5]decane-3-acetic acid, 8-[(1,1-diMethylethoxy)carbonyl]-	1160246-87-6	C15H25NO5
	2-Oxa-6-azaspiro[3.3]heptane, 6-(diphenylMethyl)-	1045709-00-9	C18H19NO
	7-Oxa-1-azaspiro[3.5]nonan-2-one	178242-92-7	C7H11NO2
	7-Oxa-2-azaspiro[3.5]nonane, 2-[(4-Methylphenyl)sulfonyl]-	550371-66-9	C14H19NO3S
	1-Oxa-6-azaspiro[3.3]heptane, 3,3-diMethyl-	1073234-27-1	C7H13NO
	1-Oxa-8-azaspiro[4.5]decane-8-carboxylic acid, 4-hydroxy-, 1,1-diMethylethyl ester	757239-67-1	C13H23NO4
	1-Oxa-6-azaspiro[3.5]nonane-6-carboxylic acid, 2,2,3,3,7,7-hexaMethyl-, ethyl ester	240113-59-1	C16H29NO3
	5-Oxa-2-azaspiro[3.5]nonane-8-carboxylic acid, 1,6-dioxo-, phenylMethyl ester, (4R,8S)-rel-	144373-57-9	C15H15NO5
	5-Oxa-2-azaspiro[3.5]nonane-8-carboxylic acid, 1,6-dioxo-, (4R,8R)-rel-	144373-58-0	C8H9NO5
	1-Oxa-7-azaspiro[4.5]decane-7-carboxylic acid, 3-oxo-, 1,1-diMethylethyl ester	1160246-89-8	C13H21NO4
	1-Oxa-7-azaspiro[4.5]decane-7-carboxylic acid, 3-(aMinoMethyl)-, 1,1-diMethylethyl ester	1160247-18-6	C14H26N2O3
	6-Oxa-2-aza-spiro[3.5]non...
	2-Oxa-5-azaspiro[3.4]octane, ethanedioate (2:1)	1380571-82-3	C8H13NO5
	3-Oxa-6-azabicyclo[3.1.0]hexane	5834-36-6	C4H7NO
	2-Oxa-6-azaspiro[3.3]heptane xoxalate	1254966-66-9	C7H11NO5
	2-oxa-5-azabicyclo[4.1.0]heptane hydrochloride	1354952-28-5	C5H10ClNO
	2-Oxa-3-azabicyclo[2.2.2]octane, 3-acetyl-1-methyl- (9CI)	110590-04-0	C9H15NO2
	1-Oxa-3-azaspiro[4.5]decan-2-one,8-(1,1-dimethylethyl)-(9CI)	344312-96-5	C12H21NO2
	3-Oxa-7-azabicyclo[4.1.0]heptane, 7-acetyl-4-methoxy-, [1R-(1alpha,4beta,6alpha)]- (9CI)	176966-37-3	C8H13NO3
	2-Oxa-4-azabicyclo[3.2.0]hept-6-en-3-one, 4-acetyl- (9CI)	68235-21-2	C7H7NO3
	7-Oxa-5-azatricyclo[4.2.1.02,4]nonane(9CI)	184956-49-8	C7H11NO
	1-Oxa-3-azaspiro[4.5]decane-4-carbonitrile,4-methyl-2-oxo-(7CI)	91761-08-9	C10H14N2O2
	2-Oxa-5-azabicyclo[2.2.1]heptane-5-ethanol,(1R,4R)-(9CI)	743438-26-8	C7H13NO2
	2-Oxa-3-azabicyclo[2.2.2]oct-5-ene, 3-acetyl-1-methyl- (9CI)	110590-34-6	C9H13NO2
	6-Oxa-3-azabicyclo[3.1.0]hexane, 3-(trifluoroacetyl)- (9CI)	164931-85-5	C6H6F3NO2
	2-Oxa-7-azatricyclo[4.4.0.03,8]decane,7-methyl-(9CI)	773000-88-7	C9H15NO
	1-Oxa-8-azaspiro[4.5]decane-4-carboxylicacid,3,8-dimethyl-2-oxo-(8CI)	801205-46-9	C11H17NO4
	4-Oxa-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid,3-(1,1-dimethylethyl)-6-methyl-7-oxo-,trans-(9CI)	790629-39-9	C11H15NO4
	3-Oxa-1-azabicyclo[3.2.0]heptane-2-carboxylicacid,7-oxo-,cis-(9CI)	781569-94-6	C6H7NO4
	4-Oxa-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid,7-oxo-,(R)-(9CI)	122716-10-3	C6H5NO4
	Piperidine	110-89-4	C5H11N
	Benzomorpholine	5735-53-5	C8H9NO
	Morpholine	110-91-8	C4H9NO
	4-Oxa-1-azabicyclo[3.2.0]heptane-3-carboxylicacid,7-oxo-,(3R,5S)-(9CI)	212268-81-0	C6H7NO4
	5-Oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,7-amino-3-hydroxy-8-oxo-,(6R-trans)-(9CI)	183383-59-7	C7H8N2O5
	3-Oxa-1-azaspiro[4.5]decan-2-one,6-methoxy-,(5R,6S)-rel-(9CI)	444772-06-9	C9H15NO3
	7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl-	123371-78-8	C8H15NO
	7-Oxa-2-azabicyclo[4.1.0]heptane-2-carboxylic acid, ethyl ester	177980-28-8	C8H13NO3
	2-Oxa-3-azabicyclo[2.2.2]oct-5-ene,3-(6-ethyl-2-pyridinyl)-,(1S,4R)-(9CI)	688035-86-1	C13H16N2O
	1-Oxa-8-azaspiro[4.5]decan-3-ol (9CI)	757239-76-2	C8H15NO2
	4-Oxa-1-azabicyclo[3.3.1]nonan-3-one,6-amino-,endo-(9CI)	189361-46-4	C7H12N2O2
	3-Oxa-1-azaspiro[4.4]nonane-2,4-dione(6CI,7CI,8CI,9CI)	3253-44-9	C7H9NO3
	1-Oxa-3-azaspiro[4.5]decan-2-one,4-ethyl-(8CI)	16112-45-1	C10H17NO2
	3-Oxa-1-azatricyclo[5.2.0.02,4]nonane(9CI)	93028-85-4	C7H11NO
	2-Oxa-1-azatricyclo[4.3.0.03,9]nonane(9CI)	213545-82-5	C7H11NO
	2-Oxa-3-azabicyclo[2.2.1]heptane-3-carboxylicacid,methylester(9CI)	188789-38-0	C7H11NO3
	8-Oxa-3-azabicyclo[3.2.1]octane-3-acetonitrile(9CI)	485812-75-7	C8H12N2O
	7-Oxa-3-azatricyclo[4.3.0.02,5]nonane(9CI)	130033-03-3	C7H11NO
	3-Oxa-1-azabicyclo[3.2.0]heptane-2,4-dione,(5R)-(9CI)	369596-62-3	C5H5NO3
	2-Oxa-7-azatricyclo[4.4.0.03,8]dec-4-ene, 7-methyl- (9CI)	63827-26-9	C9H13NO
	2-Oxa-8-azaspiro[4.5]decane, hydrochloride	479195-19-2	C8H15NO.HCl
	2-oxa-4-azatetracyclo[6.3.1.1~6,10~.0~1,5~]tridecan-3-one		C11H15NO2
	1-Oxa-3-aza-2-silacyclopentan-5-one, 4-ethyl-2,2,3-triphenyl-	53268-82-9	C22H21NO2Si
	4-Oxa-1-azaspiro[5.5]undecane (8CI,9CI)	180-78-9	C9H17NO

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