1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 2,3,6,7-tetrahydro-9-(trifluoromethyl)- 2,3,6,7-Tetrahydro-9-(trifluoromethyl)-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one 53518-18-6 59977-81-0 C 6F Coumarin 153 EINECS 258-600-5 NSC 338964 Pilot 495