二氯苄

di-tert-butyl 2-(5λ4-benzothieno[3,2-b][1]benzothiophen-4-ylidene)malonate

邻碘溴苯

1,2,3,4-tetrahydro-benzo[b]benzo[4,5]thieno[2,3-d]thiophene

4b,9b-dihydrobenzothieno[3,2-b]benzothiophene