(S)-2-[(S)-1-((3S,4aS,6aS,6bR,9R,10S,10aR,11aS,11bS)-3-Hydroxy-10,11b-dimethyl-hexadecahydro-benzo[a]fluoren-9-yl)-ethyl]-5-methyl-piperidin-3-ol 生成
2-((3S,4aS,6aS,6bR,9R,10S,10aR,11aS,11bS)-3-Hydroxy-10,11b-dimethyl-hexadecahydro-benzo[a]fluoren-9-yl)-propionaldehyde