Picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy-
Phenanthro[10,1-bc]pyran-1,5,11(4H)-trione, 3aβ,6aβ,7,7aα,8,11a,11bα,11c-octahydro-2,10-dimethoxy-3,8α,11aβ,11cβ-tetramethyl-
Quassin
Phenanthro[10,1-bc]pyran, picrasa-2,12-diene-1,11,16-trione deriv.
2,12-Dimethoxypicrasa-2,12-diene-1,11,16-trione
Nigakilactone D
Quassine
(+)-Quassin
NSC 36342