3,4-Bis(3'-methoxy-4'-hydroxyphenyl)-3-hexene 3,4-Bis(3'-methoxy-4'-hydroxyphenyl)-trans-3-hexene 3,4-Bmhh 78765-33-0 Phenol, 4,4'-(1,2-diethyl-1,2-ethenediyl)bis(2-methoxy-, (E)-