N-HETEROARYLMETHYL-M-PHENYLENEDIAMINE DERIVATIVE-CONTAINING DYES FOR KERATIN FIBERS AND NOVEL N-HETEROARYLMETHYL-M-PHENYLENEDIAMINE DERIVATIVES

摘要

N - is heteroarylmethyl - m - phenylenediamine - derivatives of the general formula (i) or its salts, dollar f1 containing colorants for keratin fibers, as well as new n - is heteroarylmethyl - m - phenylenediamine - derivatives.