4-氯-5-甲基-5H-吡咯并[3,2-d]嘧啶

4,6-diiodo-N-methylpyrimidin-5-amine

1-甲基吡啶鎓

(4-ethenylphenyl)methyl-trimethylazanium,methanesulfonate

N-甲基苯甲酰胺