4-methoxy-4-methyl-1,1,1-trichloro-3-buten-2-one

3,6-dimethyl-2-phenylpyrimidine-4(3H)-one

6-methyl-2-phenyl-1,3-thiazin-4-one

4-氯-6-甲基-2-苯基嘧啶

甲基硫脲嘧啶