4,4'-(2,4,8,10-Tetraoxaspiro(5.5)undecane-3,9-diyl)bis(2,6-di-tert-butylphenol) 41715-24-6 EINECS 255-512-9 Phenol, 4,4'-(2,4,8,10-tetraoxaspiro(5.5)undecane-3,9-diyl)bis(2,6-bis(1,1-dimethylethyl)-