1,2,3,4-Tetrahydro-4-methylquinoline 1,2,3,4-Tetrahydrolepidine 19343-78-3 74459-14-6 AI3-22251 EINECS 242-977-8 Lepidine, 1,2,3,4-tetrahydro- Quinoline, 1,2,3,4-tetrahydro-4-methyl-