1)甲基降紫杉-11-烯 9-DEACETYL-9-BENZOYL-10-DEBENZOYL-4尾,20-EPOXYTAXCHININ A 2ALPHA,7BETA-二乙酰氧基-9ALPHA-苯甲酰氧基-5ALPHA,10BETA,13ALPHA,15-四羥基-4BETA(20)-環(huán)氧-11(15→ 2ALPHA,7BETA-二乙酰氧基-9ALPHA-苯甲酰氧基-5ALPHA,10BETA,13ALPHA,15-四羥基-4BETA(20)-環(huán)氧-11(15-1)甲基降紫杉-11-烯