2-(4-Phenyl-1-piperazinyl)benzo(g)quinazolin-4(3H)-one 21314-34-1 5-25-15-00230 (Beilstein Handbook Reference) BRN 0629022 Benzo(g)quinazolin-4(3H)-one, 2-(4-phenyl-1-piperazinyl)- NSC 131354