(4alpha,8alpha,12alpha,13R,14R)-16-Isopropyl-17,19-dinoratis-15-ene-4,13,14-tricarboxylic acid, cyclic 13,14-anhydride 17,19-Dinoratis-15-ene-4,13,14-tricarboxylic acid, 16-(1-methylethyl)-, cyclic 13,14-anhydride, (4alpha,8alpha,12alpha,13R,14R)- 20268-17-1 22287-59-8 29884-39-7 510-39-4 5989-36-6 AI3-19189 EINECS 208-113-9 Maleopimaric acid