3-氰基-4-甲基吡啶

5-Fluoro-1-pentofuranosyl-2,4(1H,3H)-pyrimidinedione

(9CI)-3-甲基吡啶并[1,2-a]苯并咪唑-1(5H)-酮

2-amino-6-chloro-4-methylpyridine-3-carbonitrile

2,6-二氨基-3-氰基-4-甲基吡啶