Synonyms: 24-Nor-16,17-secochola-3,14-diene-16,23-dioicacid, 1,7,11,17,21-pentahydroxy-4,8-dimethyl-2-oxo-, 16,7:23,17-dilactone, (1a,5a,7a,11a,13b,17S,20R)-; Phenanthro[10,1-bc]pyran,24-nor-16,17-secochola-3,14-diene-16,23-dioic acid deriv.; (-)-Indaquassin F;Indaquassin F