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1,3-Isobenzofurandione, polymer with 1,2-ethanediol, 2,5-furandione, 2,2'-oxybis[ethanol] and 1,2-propanediol |
1,3-异苯呋喃二酮与1,2-乙二醇、2,5-呋喃二酮、2,2'-氧代双乙醇和1,2-丙二醇的聚合物 |
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(13α,17α)-7α,11β-Diacetoxy-21,23-epoxy-4,4,8-trimethyl-24-nor-5α-chola-1,14,20,22-tetren-3-one |
(13α,17α)-7α,11β-Diacetoxy-21,23-epoxy-4,4,8-trimethyl-24-nor-5α-chola-1,14,20,22-tetren-3-one |
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(13α,17α)-7α,11α-Diacetoxy-21,23-epoxy-4,4,8-trimethyl-24-nor-5α-chola-1,14,20,22-tetren-3-one |
(13α,17α)-7α,11α-Diacetoxy-21,23-epoxy-4,4,8-trimethyl-24-nor-5α-chola-1,14,20,22-tetren-3-one |
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(S)-1,1,4A-TRIMETHYL-3,4,4A,5,6,7-HEXAHYDRONAPHTHALEN-2(1H)-ONE |
(S)-1,1,4A-TRIMETHYL-3,4,4A,5,6,7-HEXAHYDRONAPHTHALEN-2(1H)-ONE |
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[(8R,9S,10R,13S,14S,17S)-6-(dibromomethylidene)-10,13-dimethyl-3-oxo-2 ,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl] propanoate |
[(8R,9S,10R,13S,14S,17S)-6-(dibromomethylidene)-10,13-dimethyl-3-oxo-2 ,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl] propanoate |
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1,2,3,4,6,7-HEXACHLORODIBENZO-P-DIOXIN |
1,2,3,4,6,7-六氯二苯并-对-二恶英 |
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1,2,3,4,6,7,9-HEPTACHLORODIBENZO-P-DIOXIN |
1,2,3,4,6,7,9-七氯二苯并-对-二恶英 |
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