4-NITRO-2-ANISIDINE-5-SULFONICACID

2-Methoxy-4-nitroanilin-5-sulfonsure, Na-Salz

4-Nitro-o-anisidine-5-sulfonic acid sodium salt

3-Amino-4-methoxy-6-nitrobenzenesulfonic acid sodium salt

Benzenesulfonic acid,5-aMino-4-Methoxy-2-nitro-, sodiuM salt (1:1)