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What is the molecular formula of the molecule methyl (4R)-4-[(3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-7-hydroxy-10,13-dimethyl-3-propanoyloxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoate ?
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C30H50O5
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