The dyeing medicine and the new N- benzyl -p- phenylenediamine derivative of the keratin fiber which contains the N- benzyl -p- phenylenediamine derivative

摘要

N general formula (i) - the benzyl - p - the dyeing medicine of the keratin fiber which contains the phenylenediamine derivative or this physiology mild salts, or, new N - the benzyl - p - it regards the phenylenediamine derivative. Conversion 1