Disclosed are compounds of formula (1) or formula (2). The compounds are useful for the dyeing of organic materials, such as keratin fibers, wool, leather, silk, cellulose or polyamides, especially keratin- containing fibers, cotton or nylon, and preferably hair, more preferably human hair. (1) (2).
公开的是化合物公式(1)或公式(2)。这些化合物可用于染色有机材料,如角蛋白纤维、羊毛、皮革、丝绸、
纤维素或聚酰胺,特别是含有角蛋白的纤维、棉或尼龙,更好地是头发,尤其是人类头发。