tert-Butyl (E)-3-Acetoxy-2-butenoate

(E)-叔丁基 2-((二甲基氨基)亚甲基)-3-氧代丁酸酯

methyl 1-(carbamoylamino)-4-[(4-chlorophenyl)carbamoyl]-2,5-dimethylpyrrole-3-carboxylate

methyl 1-(carbamoylamino)-2-methyl-5-phenyl-4-(phenylcarbamoyl)pyrrole-3-carboxylate

N-叔丁基乙酰乙酰胺