Synonyms: n-acetyl-n-(1,9-dihydroxybenzo[pqr]tetraphen-4-yl)acetamide;113668-43-2;N-Acetyl-N-(1,9-dihydroxybenzo(a)pyren-4-yl)acetamide;N-acetyl-N-(1,9-dihydroxybenzo[a]pyren-4-yl)acetamide;AC1L4RB2;AC1Q5I4J;AR-1K5778;4-(N,N-Diacetylamino)benzo(a)pyrene-1,9-hydroquinone;Acetamide, N-acetyl-N-(1,9-dihydroxybenzo(a)pyren-4-yl)-