<(N,N-dimethylamino)ethyl>isobutyrate 、 Chloro-acetic acid (8S,9S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-1,13-dimethyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthren-3-yl ester 反应 24.0h,
生成 <<<(1-methyl-1,3,5,6-norcholestatetraen-3-yl)oxy>carbonyl>methyl><2-(isobutyryloxy)ethyl>dimethylammonium chloride