1,2,3,4-Tetrahydro-6-methylquinoline 6-Methyl-1,2,3,4-tetrahydroquinoline 91-61-2 AI3-36188 Civettal EINECS 202-083-0 NSC 65606 Quinoline, 1,2,3,4-tetrahydro-6-methyl- p-Methyltetrahydroquinoline