2-Methoxy-5-methyl-4-((4-methyl-2-nitrophenyl)azo)benzenediazoniumtetrachlorozincate (2:1) 47300-91-4 61966-14-1 Benzenediazonium, 2-methoxy-5-methyl-4-((4-methyl-2-nitrophenyl)azo)-, (T-4)-tetrachlorozincate(2-) (2:1) EINECS 263-357-3