Benzoic acid, 4,4'-[(9,9-dioctyl-9H-fluorene-2,7-diyl)di-2,1-ethynediyl]bis-

Benzoic acid, 4,4'-[(9,9-dioctyl-9H-fluorene-2,7-diyl)di-2,1-ethynediyl]bis- · CAS 1313187-39-1