1-(5-bromopyridin-2-yl)cyclopropane-1-carboxylic acid

5-ethyl-2-fluoropyridine

6-propan-2-yloxypyridin-3-ol

5-(4-甲氧基苯基)-1-甲基吡啶-2(1h)-酮

5-(4-羟基苯基)-1-甲基吡啶-2(1H)-酮