Synonyms: 3,4-Secooleana-4(23),12-diene-3,29-dioicacid, (20b)-; 1-Chrysenepropanoic acid,9-carboxy-1,2,3,4,4a,4b,5,6,6a,7,8,9,10,10a,12,12a-hexadecahydro-1,4a,4b,6a,9-pentamethyl-2-(1-methylethenyl)-,[1S-(1a,2b,4ab,4ba,6ab,9b,10ab,12aa)]-; Koetjapic acid