2,6-二溴-3-羟基吡啶

2,6-二溴-3-甲氧基吡啶

1-苄基-3,5-哌啶二酮

1-benzyl-3-methoxy-5-oxo-3,4-dehydropiperidine oxime

acetyl(1-benzyl-5-methoxypyridin-1-ium-3-yl)amide