1H-吡咯并[2,3-b]吡啶-2-甲醛

2-溴-3-(溴甲基)吡啶

2-(2-trimethylsilylethynyl)pyridine-3-carbaldehyde

1-phenyl-1H-pyrazolo[3,4-b]pyridine

2-溴烟酸