12-(o-Nitrostyryl)benz(a)acridine 4-20-00-04488 (Beilstein Handbook Reference) 63021-47-6 BENZ(a)ACRIDINE, 12-(o-NITROSTYRYL)- BRN 0045072 o-Nitrobenzylidene-1,2-benz-9-methylacridine