2H-Pyrano(3,2-g)quinolin-2-one, 6,7,8,9-tetrahydro-9-methyl-4-(trifluoromethyl)- 53518-19-7 6,7,8,9-Tetrahydro-9-methyl-4-(trifluoromethyl)-2H-pyrano(3,2-g)quinolin-2-one 6,7,8,9-Tetrahydro-9-methyl-4-(trifluoromethyl)-2H-pyrano(3,2-q)quinolin-2-one 71123-72-3 EINECS 258-601-0