3-(2,2-Dimethoxy-ethyl)-pyridine-2-carboxylic acid amide

3-溴-2-氰基吡啶

3-Trimethylsilanylethynyl-pyridine-2-carbonitrile

3-(2,2-dimethoxyethyl)picolinonitrile

2-羟基-3-氨基吡啶