英文别名
                        13-isopropyl-17,18-dinor-atis-13-ene-4,15β,16β-tricarboxylic acid-4-ethyl ester-15,16-anhydride;13-Isopropyl-17,18-dinor-atis-13-en-4,15β,16β-tricarbonsaeure-4-aethylester-15,16-anhydrid;Maleopimaric anhydride ethyl ester;ethyl (1S,4R,5R,9R,10R,12R,13R,17R)-5,9-dimethyl-14,16-dioxo-19-propan-2-yl-15-oxapentacyclo[10.5.2.01,10.04,9.013,17]nonadec-18-ene-5-carboxylate