4-((4-((4-((Methoxycarbonyl)amino)phenyl)azo)-3-methylphenyl)azo)phenol 6465-02-7 Carbamic acid, (4-((4-((4-hydroxyphenyl)azo)-2-methylphenyl)azo)phenyl)-, methyl ester EINECS 229-279-9 Methyl (4-((4-((4-hydroxyphenyl)azo)-2-methylphenyl)azo)phenyl)-carbamate