4-(1-Piperidyl)carbonyl-2,3-tetramethylenequinoline 5-22-03-00350 (Beilstein Handbook Reference) 7101-58-8 Acridine, 1,2,3,4-tetrahydro-9-(piperidinocarbonyl)- BRN 0419592 KETONE, PIPERIDINO(1,2,3,4-TETRAHYDRO-9-ACRIDINYL)