EINECS 269-189-7, 2-acetaminonaphthalene-6-sulfonic acid, 6-acetylamino-naphthalene-2-sulfonic acid, N-Acetyl-naphthylamin-(2)-sulfonsaeure-(6), 6-Acetylamino-naphthalin-2-sulfonsaeure, 2-Acetamidonaphthalene-6-sulfonic acid, 6-Acetamidonaphthalene-2-sulphonic acid, 6-Acetamino-naphthalin-sulfonsaeure-(2), 6-acetamido-2-naphthalenesulfonic acid