6-methylamino-1-hydroxynaphthalene-3-sulphonic acid, 1-hydroxy-6-N-methylaminonaphthalene-3-sulphonic acid, 4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid, N-Methyl J acid, 2-(N-methylamino)-5-hydroxynaphthalene-7-sulfonic acid, N-Methyl I acid, 4-hydroxy-7-methylaminonaphthalene-2-sulphonic acid, 2-methylamino-5-hydroxynaphthalene-7-sulphonic acid, Kyselina N-methyl-I [Czech], EINECS 244-924-4, Kyselina 2-methylamino-5-naftol-7-sulfonova [Czech]
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