2H-Pyrano(3,2-g)quinolin-2-one, 9-ethyl-6,7,8,9-tetrahydro-4-(trifluoromethyl)- 68975-49-5 9-Ethyl-6,7,8,9-tetrahydro-4-(trifluoromethyl)-2H-pyrano(3,2-g)quinolin-2-one NSC 338969