6-甲氧基-2,4-二甲基-3-吡啶醇

5-溴-N,N,4,6-四甲基吡啶-2-胺

6-chloro-2,4-dimethylpyridine-3-carboxylic acid

1,5,7-三甲基-1H-咪唑并[4,5-b]吡啶-2-胺