1134-61-8 2,2'-bithiophene, 5-(3-buten-1-ynyl)- 5-(3-Buten-1-ynyl)-2,2'-bithiophene 5-But-3-en-1-ynyl-[2,2']bithiophenyl 5-but-3-en-1-yn-1-yl-2,2'-bithiophene BBT InChI=1/C12H8S2/c1-2-3-5-10-7-8-12(14-10)11-6-4-9-13-11/h2,4,6-9H,1H