1,1,2,2-乙烷四甲腈

5-amino-1-(thiophene-2-carbonyl)-1H-pyrazole-3,3,4-(2H)-tricarbonitrile

N'-(thiophene-2-carbonyl)thiophene-2-carbohydrazide

3-thiophen-2-ylpyrido[3,2-e][1,2,4]triazine