methylhydantoin造句
造句与例句手机版
- Urech in 1873 synthesized 5-methylhydantoin from alanine sulfate and potassium cyanate in what is now known as the Urech hydantoin synthesis The method is very similar to the modern route using alkyl and arylcyanates.
- It's difficult to see methylhydantoin in a sentence. 用methylhydantoin造句挺难的
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