5-(methoxymethoxy)pyridine-2-carbonitrile

4,5-dimethoxybenzene-1,2-dicarbonitrile

5-benzoylthiophene-2-carbonitrile

4-(4-氰基苯磺酰基)-哌啶-1-羧酸叔丁酯

tert-butyl 2-cyanopyridine-4-carboxylate