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What is the molecular formula of the molecule identified by (2R,4aS,6aS,6aS,6bR,8aR,9R,10S,12S,12aR,14bR)-10-acetyloxy-9-[[(2R,3R,4S,5R,6S)-5-acetyloxy-3,4-dihydroxy-6-methyloxan-2-yl]oxymethyl]-12-hydroxy-2,4a,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-2-carboxylic acid ?
user
C40H62O11
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