The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These dyes can be obtained in a three-step synthesis from simple substrates.
该发明涉及一种可以用作独特结构和性质的杂环
染料的三步合成方法,可以从简单底物中获得的化合物(III)的新化合物。