2,4-dichloro-6-methyl-5-nitro-nicotinonitrile

2-chloro-3-cyano-6-methyl-5-nitropyridine

3-氰基-6-甲基-2-吡啶酮

2-羟基-6-甲基-5-硝基尼古丁腈

n-pentyl 4-hydroxy-6-methylpyrid-2-one-3-carboxylate