4,4'-(Oxybis(methylene)bis(2,6-bis(1,1-dimethylethyl)phenol) 6922-60-7 CCRIS 5830 Di(3,5-di-tert-butyl-4-hydroxybenzyl) ether Phenol, 4,4'-(oxybis(methylene))bis(2,6-bis(1,1-dimethylethyl)-