Synonyms: 18,24-Dinor-11,12-secochola-2,13,20,22-tetraene-4,11-dicarboxylicacid, 7,15:21,23-diepoxy-6-hydroxy-4,8-dimethyl-1-oxo-, g-lactone, methyl ester, (4a,5a,6a,7a,15b,17a)-; 2H,5H-Cyclopenta[d']naphtho[1,8-bc:2,3-b']difuran-6-acetic acid, 8a-(3-furyl)-2a,5a,6,6a,8,9,9a,10a,10b,10c-decahydro-2a,5a,6a,7-tetramethyl-2,5-dioxo-,methyl ester (8CI); 2H,5H-Cyclopenta[d']naphtho[1,8-bc:2,3-b']difuran,18,24-dinor-11,12-secochola-2,13,20,22-tetraene-4,11-dicarboxylic acid deriv.;NSC 309909; Nimbolide