发明人冯建国,马晓峰,林芳. "Method for the Synthesis of 4-(dimethylcarbamoylamino)benzoic acid
4-[[dimethylamino(oxo)methyl]amino]benzoic acid
91880-51-2
A844090" [P]. 中国发明专利, 专利号 CN 117367246 B, 授权公告日 2016-04-15.
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