5-(2-cyanocyclopentyl)-6-(propylthio)-5,6-dihydro-1,3-dimethyluracil

二丙基二硫

1,3-二甲基脲嘧啶

5-(2-mercaptoethylthio)-1,3-dimethyluracil

1,3-dimethyl-5-propylsulfanylpyrimidine-2,4-dione