氰代甲酸 的英文怎麼說
中文拼音 [dàijiǎsuān]
氰代甲酸
英文
cyanformic acid-
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為主要原料,通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。Hexamethylene diisocyanate (hmdi) may be used in prepolymer, in place of tdi.
六亞甲基二異氰酸酯(HMDI)可用在預聚物中代替甲苯二異氰酸酯TDI。Hexamethylene diisocyanate ( hmdi ) may be used in prepolymer, in place of tdi
六亞甲基二異氰酸酯( hmdi )可用在預聚物中代替甲苯二異氰酸酯tdi 。
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