2-Amino-4'-nitrobiphenyl 2-BIPHENYLAMINE, 4'-NITRO- 4'-Nitro-(1,1'-biphenyl)-2-amine 4'-Nitro-2-biphenylamine 4-12-00-03236 (Beilstein Handbook Reference) 6272-52-2 BRN 2806990 EINECS 228-462-0 NSC 30863