20680-48-2

DIAZO 74 2-Diazo-1-naphthol-4-sulfonic acid 2-diazonio-4-sulfonaphthalen-1-olate 2-diazonio-4-sulfo-naphthalen-1-olate 2-Diazo-1,2-naphthoquinone-4-sulfonic acid 2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE 1,2-DIAZOXY NAPHTHALENE-4-SULPHOACID,=70.0% 3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid 1,2-Naphthoquinonediazide-4-sulfonic acid, dihydrate 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulfonic acid 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonic acid 3-DIAZO-3,4-DIHYDRO-4-OXONAPHTHALENE-1-SULFONIC ACID HYDRATE