o-Nitroaniline; 1-Amino-2-nitrobenzene; 1-Nitro-2-aminobenzene; 2-Aminonitrobenzene; 2-Nitrobenzenamine; 2-Nitrophenylamine; Azoene Fast Orange GR Base; Azoene Fast Orange GR Salt; Azofix Orange GR Salt; Azogene Fast Orange GR; Brentamine Fast Orange GR Base; Brentamine Fast Orange GR Salt; Devol Orange B; Devol Orange Salt B; Fast Orange Base JR; Fast Orange GR Base; Fast Orange O Base; Fast Orange O Salt; Fast Orange Salt JR; Hiltonil Fast Orange GR Base; Hiltosal Fast Orange GR Salt; Hindasol Orange GR Salt; NSC 9796; Natasol Fast Orange GR Salt; ONA; Orange Base Ciba II; Orange Base Irga II; Orange GRS Salt; Orange Salt Ciba II; Orange Salt Irga II; o-Aminonitrobenzene; o-Nitrobenzenamine; o-Nitrophenylamine;