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1,7-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDROPYRIDO[2,3-D]PYRIMIDINE-5-CARBOXYLIC ACID |
1,7-DIMETHYL-2,4-DIOXO-1,2,3,4-TETRAHYDROPYRIDO[2,3-D]PYRIMIDINE-5-CARBOXYLIC ACID |
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10,13-dimethyl-17-(6-methylhept-5-en-2-yl)-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol |
膽固醇EP雜質(zhì)C |
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