英文别名benzthieno[3,2-b]benzothiophene; [1]benzothiolo[3,2-b][1]benzothiole; [1]Benzothiopheno[3,2-b][1]benzothiophene; BTBT; 5,10-dithia-indeno[2,1-a]indene; (1)Benzothieno(3,2-b)(1)benzothiophene; [1]Benzothieno[3,2-b]benzothiophene; Benzo[b]benzo[4,5]thieno[2,3-d]thiophen 
