2-(4-Methyl-1-piperazinyl)benzo(g)quinazolin-4(3H)-one 21314-33-0 5-25-15-00230 (Beilstein Handbook Reference) BRN 0623084 Benzo(g)quinazolin-4(3H)-one, 2-(4-methyl-1-piperazinyl)- NSC 131356