123914-44-3 3,22-Dihydroxy-11-oxo-delta(12)-oleanene-27-alpha-methoxycarbonyl-29-oic acid Glyuranolide Olean-12-ene-27,29-dioic acid, 3,22-dihydroxy-11-oxo-, gamma-lactone, methyl ester, (3beta,20alpha,22alpha)-