Synonyms: 1-Naphthalenesulfonicacid, 6-diazo-5,6-dihydro-5-oxo-, 4-benzoyl-1,3-phenylene ester (9CI);1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, diester with2,4-dihydroxybenzophenone (7CI,8CI); Benzophenone, 2,4-dihydroxy-,bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate) (8CI);2,4-Bis(1,2-naphthoquinone-2-diazido-5-sulfonyloxy)benzophenone;2,4-Bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonyloxy)benzophenone;2,4-Dihydroxybenzophenone bis(1,2-naphthoquinone-2-diazide-5-sulfonate);2,4-Dihydroxybenzophenone bis[naphthoquinone-(1,2)-diazido-(2)-5-sulfonate;4-Benzoyl-m-phenylene 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate; NSC343232