1-(3-Methyl-1-oxo-2-(4-oxo-2-phenyl-3(4H)-quinazolinyl)butyl)piperidine 5-24-04-00218 (Beilstein Handbook Reference) 70540-69-1 BRN 0855823 Piperidine, 1-(3-methyl-1-oxo-2-(4-oxo-2-phenyl-3(4H)-quinazolinyl)butyl)-