(2alpha,3beta)-2,3-Dihydroxyursa-12,18-dien-28-oic acid 129058-59-9 2,3-Dihydroxyursa-12,18-dien-28-oic acid Goreishic acid I Ursa-12,18-dien-28-oic acid, 2,3-dihydroxy-, (2alpha,3beta)-