1-Amino-3-nitro-4-hydroxybenzene 119-34-6 2-Nitro-4-aminophenol 4-Amino-2-nitrophenol 4-Hydroxy-3-nitroaniline C.I. 76555 C.I. Oxidation Base 25 Fourrine 57 Fourrine Brown PR Fourrine Brown Propyl NCI-C03963 NSC56809 Oxidation Base 25 Phenol, 4-amino-2-nitro- WLN: ZR DQ CNW o-Nitro-p-aminophenol p-Amino-o-nitrophenol