24603-67-6
N1-(ethoxycarbonyl)-N3-hydroxyurea
→
~91%
24603-68-7
1,2,4-噁二唑啉-3,5-二酮
51991-60-7
~73%
78613-40-8
N-(2-Oxanyl)carbamoyloxy-ethylcarbamat
~52%