1-((2-Chloro-4-((beta-hydroxyethyl)sulfonyl)phenyl)azo)-2-(acetylamino)-4-(diethylamino)benzene 62335-85-7 Acetamide, N-(2-((2-chloro-4-((2-hydroxyethyl)sulfonyl)phenyl)azo)-5-(diethylamino)phenyl)-