p-tolyl 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate;1,2-Dihydro-1-oxo-2-diazonaphthalene-5-sulfonic acid 4-methylphenyl ester;5,6-Dihydro-5-oxo-6-diazonaphthalene-1-sulfonic acid 4-methylphenyl ester;5,6-Dihydro-6-diazo-5-oxonaphthalene-1-sulfonic acid 4-methylphenyl ester;5-[(4-Methylphenoxy)sulfonyl]-2-diazonaphthalene-1(2H)-one;5-Oxo-6-diazo-5,6-dihydronaphthalene-1-sulfonic acid 4-methylphenyl ester;6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid 4-methylphenyl ester;Einecs 279-451-2
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