77533-70-1
(4R,15R)-9,15-Dihydroxykaur-16-en-18-oic acid
→
77658-45-8
(5β,8α,9β,10α,13α,16β)-9-Hydroxy-15-oxokauran-18-oic acid
77658-39-0
等效-9-羟基-15-氧代-16-贝壳杉烯-19-酸