5β-cholestane-3β,5,7β,19-tetraol 3,7,19-triacetate 、
三氯乙酰异氰酸酯 以
氘代氯仿 为溶剂,
生成 Acetic acid (3S,5R,7S,8S,9S,10R,13R,14S,17R)-3,7-diacetoxy-17-((R)-1,5-dimethyl-hexyl)-13-methyl-5-(2,2,2-trichloro-acetylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester