甲基硫脲嘧啶

1,6-dimethylpyrimidine-2,4-dione

1,6-dimethyl-2-methylsulfanylpyrimidin-4-one

1,6-dimethyl-3-butyluracil

3-butyl-1,6-dimethyl-5-nitro-1H-pyrimidine-2,4-dione