2-硫代乙内酰脲

(5E)-5-亚苄基-2-硫代-咪唑烷-4-酮

methyl N-[(4-oxocyclohexa-2,5-dien-1-ylidene)methylamino]carbamate

1-acetyl-3-methyl-2-sulfanylideneimidazolidin-4-one

1-acetyl-2-methylsulfanyl-4-imidazolidinone