2-Methyl-1H-imidazole-4,5-dicarbonitrile

9-氧代-9H-茚并[1,2-B]吡嗪-2,3-二甲腈

2-amino-3-(benzhydrylideneamino)but-2-enedinitrile

5-(叔丁基)吡嗪-2,3-二甲腈

5-phenylpyrazine-2,3-dicarbonitrile