1,2-Dihydro-2,2,4-trimethyl-6-ethoxyquinoline 1,2-Dihydro-6-ethoxy-2,2,4-trimethylquinoline 2,2,4-Trimethyl-6-ethoxy-1,2-dihydroquinoline 6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline 8047-04-9 8047-14-1 91-53-2