The invention discloses new 5-substituted 3,4-diamino pyrazols, their methods of preparation, compositions for keratin fiber oxidation dyeing containing them as an oxidizing base, and the dyeing methods using same.
本发明公开了新型5-取代的3,4-
二氨基吡唑、其制备方法、含有它们作为氧化基质的角蛋白纤维氧化
染料组合物,以及使用这些
染料的染色方法。