农药是农业生产中不可或缺的资材,传统农药由于环境与毒性、抗性等问题,频受指责。开发高效、与环境相容性高的农药已刻不容缓。每年世界上投入30余亿用于新农药创制。创制的方法不断更新、改进。修饰(模拟) 即me-too 这是最常用的方法,即按国外报道的结构进行 Pesticides are indispensable materials for agricultural production. Traditional pesticides are frequently accused of problems such as environment, toxicity and resistance. It is imperative to develop pesticides that are highly efficient and environmentally compatible. Every year more than 3 billion are invested in the creation of new pesticides in the world. The method of creation is constantly updated and improved. Modification (analog) that me-too This is the most commonly used method, that is, according to the structure of foreign reports