2-14-00-00488 (Beilstein Handbook Reference) 2-AMINO-6-NITRO-1-PHENOL-4-SULFONIC ACID 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid 3-Amino-4-hydroxy-5-nitrobenzenesulphonic acid 96-93-5 BRN 3144885 Benzenesulfonic acid, 3-amino-4-hydroxy-5-nitro- EINECS 202-546-7 Kyselina 2-amino-6-nitrofenol-4-sulfonova [Czech] Kyselina 6-nitro-2-aminofenol-4-sulfonova [Czech]