4,6-diaminopyrimidine or the like intermediates for the preparat
4-(2'-halo-4'-nitrophenylazo)-2-2[2'-(C.sub.1-2 alkoxy or 2"-met
4-(5',6'- and 6',7'-dihalobenzothiazol-2'-ylazo)-3-methyl-N-meth
4-aralkyl-2-nitro-2'-hydroxy-3',5'-dialkyl (or cumyl)-azobenzene
4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment
4-Benzothiazolyl phenyl azo dyes
4-higher alkyl-2-nitro-2'-hydroxy-3',5'-di-higher alkyl (or cumy
4-methyl-pyridone monoazo compound having both monochlorotriazin