2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-[2-(2-methoxyphenyl)diazenyl]-, sodium salt (1:2)
C.I. Acid Violet 12, disodium salt
Disodium 5-acetamido-4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-2,7-disulfonate