Ortho-and/or meta-substituted N-alkylhydroxylated secondary para-phenylenediamine compounds, compositions for dyeing keratin fibers comprising such compounds, and processes of dyeing therewith
Ortho-and/or meta-substituted N-alkylhydroxylated secondary para-phenylenediamine compounds, compositions for dyeing keratin fibers comprising such compounds, and processes of dyeing therewith