1-(beta(2-Quinolyl)ethyl)-4-m-tolylpiperazine 2-(2-(4-(3-Methylphenyl)-1-piperazinyl)ethyl)quinoline 5-23-03-00078 (Beilstein Handbook Reference) 57961-90-7 BRN 0563681 Centhaquine Compound 7173 Quinoline, 2-(2-(4-(3-methylphenyl)-1-piperazinyl)ethyl)-