70776-61-3 Benzenesulfonic acid, 4-((5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)-2,5-dichloro-, compd. with 2-(dimethylamino)-2-methyl-1-propanol (1:1) Benzenesulfonic acid, 4-((5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)-2,5-dichloro-, compound with 2-(dimethylamino)-2-methyl-1-propanol