(1,1'-Biphenyl)-4,4'-bis(diazonium), 3,3'-dimethoxy-, (T-4)-tetrachlorozincate(2-) (1:1) (3,3-Dimethoxy(1,1-biphenyl)-4,4'-diyl)bisbenzenediazonium, dichloride, zinc chloride 14263-94-6 20282-70-6 3,3'-Dimethoxybiphenyl-4,4'-di(diazonium) zinc chloride EINECS 238-153-2