1,1'-Biphenyl, 4-nitro- 1-Nitro-4-phenylbenzene 4-Nitrobiphenyl 4-Nitrodiphenyl 4-Phenylnitrobenzene 92-93-3 Ba 2794 Biphenyl, 4-nitro- NSC1324 PNB WLN: WNR DR p-Nitrobiphenyl p-Nitrodiphenyl p-Phenylnitrobenzene