methyl (2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[2-[(3R,5S,8S,9S,10S,13S,14S,17R)-3-acetyloxy-17-hydroxy-10,13-dimethyl-11-oxo-2,3,4,5,6,7,8,9,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethoxy]oxane-2-carboxylate 生成
3R,17,21-trihydroxy-5α-pregnane-11,20-dione 21-glucuronide