Photoresist Chemicals Hydrogen (4-(4-(diethylamino)-alpha-(3,6-disulphonato-1-naphthyl)benzylidene)cyclohexa-2,5-dien-1-ylidene)diethylammonium, ammonium salt Cas：93963-03-2 Molecular Formula：Hydrogen (4-(4-(diethylamino)-alpha-(3,6-disulphonato-1-naphthyl)benzylidene)cyclohexa-2,5-dien-1-ylidene)diethylammonium, ammonium salt