Synonyms: Acetic acid, 2,2'-[[5,11,17,23-tetrakis(1,1-dimethylethyl)-26,28-dihydroxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-25,27-diyl]bis(oxy)]bis-, 1,1'-diethyl ester, O(1),O(3)-双(乙酸基甲基)对叔丁基杯芳烃