3-Amino-7-nitronaphthalene-1,5-disulphonic acid, 2-Amino-6-nitro-naphthalin-4,8-disulfonsaeure, 3-amino-7-nitro-1,5-naphthalenedisulfonic acid, 6-nitro-2-naphthylamine-4,8-disulphonic acid, 6-nitro-2-naphthylamine-4,8-disulfonic acid, 6-nitro-2-amino-naphthalene-4,8-disulphonic acid, EINECS 241-525-7