Benzoic acid, 4,4',4'',4'''-(1,3,6,8-pyrenetetrayltetra-2,1-ethynediyl)tetrakis-

Benzoic acid, 4,4',4'',4'''-(1,3,6,8-pyrenetetrayltetra-2,1-ethynediyl)tetrakis- · CAS 1569900-71-5