2,6-二甲基-3,5-吡啶二羧酸

methyl 5-(chloromethyl)-2,6-dimethylpyridine-3-carboxylate

5,6-二氢-2-甲基-5-氧代-1,6-萘啶-3-羧酸乙酯

2,6-dimethylpyridine-3,5-dicarbonyl azide

2,6-dimethyl-3-N,5-N-diphenylpyridine-3,5-dicarboxamide