Einecs 280-018-5

m-tolyl 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate

6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid 3-methylphenyl ester

1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, 3-methylphenyl ester