111573-80-9
1-[2,2']bithiophenyl-5-yl-2-chloro-ethanone
→
111573-82-1
2,6-di([2,2'-bithiophen]-5-yl)-1,4-dithiine
5660-45-7
α-五联噻吩
111573-83-2
2,2':5',3'':4'',2''',:5''',2''''-quinquethiophene