农药和医药中的活性物质在许多方面都具有相似性。它们具有相同的反应起始物质、反应装置、合成路线、催化剂、中间体及操作步骤等。另外,农药和医药中的知识产权(IPR)尤其是专利产品都具有20年的专利保护期。前八年是产品的商品化过程,后十二年是一个最有效的专利保护期。专利保护期也有延长的情况,例如欧盟补 The active substances in pesticides and pharmaceuticals are similar in many ways. They have the same reaction starting materials, reaction apparatus, synthetic routes, catalysts, intermediates and procedures and so on. In addition, intellectual property (IPR) and especially patented products in pesticides and pharmaceuticals have a 20-year patent protection period. The first eight years is the product of the commercialization process, after twelve years is one of the most effective patent protection period. Patent protection period is also extended, such as the EU complement