以下为句子列表：
英文: Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation.
中文: 摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料，通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。
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英文: Hapten SMZ,SN,SDM were conjugated to human serum albumin (HSA),ovalbumin（OVA）or rabbit serum albumin(RSA) by diazotization for preparing complete antigen SMZ-HSA, SMZ-RSA, SN-HSA, SDM-HSA, SMZ-OVA, SN-OVA, SDM-OVA.
中文: 研究结果如下:分别以HSA、RSA为载体用重氮化法合成人工免疫原SMZ－HSA、SN－HSA、SDM-HSA及SMZ-RSA,以OVA为载体合成相应的包被原；
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