| Synonyms: | ceanothic acid;2α-Carboxy-3β-hydroxy-A(1)-nor-5α-lupan-20(29)-en-28-oic acid;Emmolic acid;Ceathic acid;Americana acid;3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-;3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylic acid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3β,3'β,4α,4'α,5β,8α,9β,10α,13α,14β,15β)-;(1R,2S,3aR,5aR,5bR,7aS,10R,10aR,10bR,12aR,12bR)-2-Hydroxy-10-isopropenyl-3,3,5a,5b,12b-pentamethyloctadecahydrodicyclopenta[a,i]phenanthrene-1,7a(1H)-dicarboxylicaci |