Synonyms: 32060-64-3;AC1L53OC;EINECS 250-907-2;1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, 4-benzoyl-3-hydroxy-1,2-phenylene ester;4-Benzoyl-3-hydroxy-1,2-phenylene bis(6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate);1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, 1,1'-(4-benzoyl-3-hydroxy-1,2-phenylene) ester;2-Diazo-1,2-dihydro-1-oxo-5-naphthalenesulfonic acid, 3,4-diester and 2,3,4-trihydroxybenzophenone;5,5'-[(4-benzoyl-3-hydroxybenzene-1,2-diyl)bis(oxysulfonyl)]bis(2-diazonionaphthalen-1-olate);5-[4-benzoyl-2-(6-diazonio-5-oxidonaphthalen-1-yl)sulfonyloxy-3-hydroxyphenoxy]sulfonyl-2-diazonionaphthalen-1-olate