(((ethyne-1,2-diylbis(2,1-phenylene))bis(ethyne-2,1-diyl))bis(4,1-phenylene))dimethanol

(((ethyne-1,2-diylbis(2,1-phenylene))bis(ethyne-2,1-diyl))bis(4,1-phenylene))dimethanol · CAS 1421351-39-4