Benzenediazonium, 4-((2-methoxy-5-sulfophenyl)azo)-2-methyl-5-((2-nitro-4-sulfophenyl)amino)-, chloride, reaction products with formaldehyde and salicylic acid
Benzenediazonium, 4-((2-methoxy-5-sulfophenyl)azo)-2-methyl-5-((2-nitro-4-sulfophenyl)amino)-, chloride, reaction products with formaldehyde and salicylic acid