5977-14-0
乙酰乙酰胺
+
94126-55-3
methyl 3-(phenylcarbamoyldiazenyl)but-2-enoate
→
~86%
94126-66-6
methyl 4-carbamoyl-2,5-dimethyl-1-(phenylcarbamoylamino)pyrrole-3-carboxylate