3-甲基吡啶

8-methyl-2,4-diaza-bicyclo[4.2.0]oct-7-ene-3,5-dione

2-acetoxy-5-methylpyridine

1-(4,6-diphenylpyridine-2-carbonyl)-5-methylpyridin-2-one

2-氨基-5-甲基吡啶