3,4-Bis(4-hydroxyphenyl)-2,4-cis,cis-hexadienol 3,4-Bis(4-hydroxyphenyl)-2,4-hexadienol 3,4-Bis(p-hydroxyphenyl)-2,4-cis,cis-hexadienol 4,4'-(1-Ethylidene-2-(2-hydroxyethylidene)-1,2-ethanediyl)bisphenol 62080-78-8 Phenol, 4,4'-(1-ethylidene-2-(2-hydroxyethylidene)-1,2-ethanediyl)bis-