| 摘要 |
Disclosed is an industrially advantageous process for producing O-methyl-N-nitroisourea. Disclosed is a process for obtaining O-methyl-N-nitroisourea represented by the following chemical formula (1) or a salt thereof in a high yield by performing the nitration of O-methylisourea represented by the following chemical formula (2) or a salt thereof with nitrating agents in the presence of fuming sulfuric acid.
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