基本解釋n.甲肼同根派生 methylhydrazine相關(guān)詞英漢例句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. 摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等爲(wèi)主要原料，通過(guò)取代、胺化、環(huán)化、重氮化和氯磺化等反應(yīng)制得了除草劑吡嘧磺隆原料葯。Keywords diethyl oxalate;2-pentanone;methylhydrazine;pyrazole carboxylic acid; 草酸二乙酯;2-戊酮;甲基肼;吡唑羧酸;procarbazinum(methylhydrazine) 甲基芐肼methylhydrazine sulfate 硫酸甲肼methylhydrazin 丙卡巴肼, 甲(基)芐肼methylhydrazine更多例句