Methyl 3α-formyloxy-7α-hydroxy-12-oxo-5α-cholanate

methyl (R)-4-((3R,5S,7R,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-12-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate