1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, 2,3-dibromopropyl ester 2,3-Dibromopropyl 6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate 42372-37-2 EINECS 255-784-9 Naphthoquinone-1,2-(diazide-2)-5-sulfonic acid, 2',3'-dibromopropylester