2,3-diphenyl-5,7-di(thiophen-2-yl)thieno[3,4-b]pyrazine

5,5''-dibromo-[2,2:5',2''-terthiophene]-3',4'-diamine

联苯甲酰

3,4-dinitro-2,5-dithiophen-2-ylthiophene

2,5-dithiophen-2-ylthiophene-3,4-diamine