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4-(3,12-diformyloxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
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2-[4-[(3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-二羟基-10,13-二甲基-2,3,4,5,6,7,8,9,11,12,14,15,16,17-十四氢-1H-环戊并[a]菲-17-基]戊酰氨基]乙烷磺酸