4,4',4'',4'''-(1,2-Ethanediylidene)tetrakis(phenol) 4,4',4'',4'''-Ethanediylidenetetraphenol 7727-33-5 EINECS 231-782-3 Ethanediylidenetetrakisphenol NSC 310098 Phenol, 4,4',4'',4'''-(1,2-ethanediylidene)tetrakis-