1-(furan-2-ylmethyl)-5-methyl-1,3-diazinane-2,4-dione

1-氨基甲酰-1,2,3,4-四氢喹啉

对称二异丙基脲

4-(4-nitrophenyl)piperazine-1-carboxamide

(2R)-3-benzylsulfanyl-2-(carbamoylamino)-2-methylpropanoic acid