98336-31-3
→
94127-05-6
ethyl 3-(carbamoyldiazenyl)but-2-enoate
N/A
25513-92-2
3-甲基吡嗪-2-羧酸乙酯
120573-57-1
1-ethyl 4-methyl 2-(1-(2-carbamoylhydrazono)ethyl)but-2-enedioate
603-35-0
三苯基膦
94126-65-5
ethyl 1-(carbamoylamino)-2-methyl-5-phenyl-4-(phenylcarbamoyl)pyrrole-3-carboxylate