3-Hydroxynaphthalene-2,7-disulphonic acid

6-Hydroxynaphthalene-2-sulphonic acid

2-Amino-3,6,8-naphthalenetrisulfonic acid

3-AMINO-1,5-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT

2-NITRO-4-(TRIFLUOROMETHOXY)ACETANILIDE

2-NITRO-4-(TRIFLUOROMETHYL)BENZONITRILE