Provided are novel pyrazolone compounds which have excellent copolymerizability and undergo no elution in an organic solvent when used for an ophthalmic plastic lens and which have an excellent absorption peak in visible light region and function as a reactive yellow dye.
所提供的新型
吡唑酮化合物具有极佳的共聚性,用于眼科塑料镜片时不会在有机溶剂中洗脱,在可见光区域具有极佳的吸收峰,可用作活性黄色
染料。