Synonyms: 2H-1,11cb-(Epoxymethano)phenanthro[10,1-bc]pyran-5,10(3H,6abH)-dione, 1,3ab,4,7,7aa,11,11a,11b-octahydro-1a,2a,4b,11b-tetrahydroxy-3a,8,11ab-trimethyl- (8CI); Glaucarubolone (7CI);2H-1,11c-(Epoxymethano)phenanthro[10,1-bc]pyran, picras-3-ene-2,16-dionederiv.; (-)-Glaucarubolone; NSC 126764