1,1'-buta-1,3-diyne-1,4-diyldibenzene 886-66-8 InChI=1/C16H10/c1-3-9-15(10-4-1)13-7-8-14-16-11-5-2-6-12-16/h1-6,9-12 benzene, 1,1'-(1,3-butadiyne-1,4-diyl)bis-