pyrroles造句

• In china, the organic pigment enterprises also actively made efforts to develop new pigment formulations, meanwhile it also developed some hpops, such as benzimidazolones, azo condensates, quinacridones, perylene series, diketopyrro-pyrroles, quinophthalones and so on
  我国的有机颜料生产企业在积极开发颜料新剂型的同时，也开发了苯并咪唑酮类、偶氮缩合类、喹吖啶酮类、?系、吡咯并吡咯二酮类和喹酞酮类颜料等。