9-甲基-9H-咔唑-2-甲醛

4-[butyl(methyl)amino]benzaldehyde

1-(苯基磺酰基)-1H-吡咯并[3,2-c]吡啶-2-甲醛

6-(6-pyridin-2-ylpyridin-2-yl)pyridine-2-carbaldehyde

N,N-二甲基-4-硝基苯磺酰胺