Synonyms: Acetic acid, 2,2'-[(11,23-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-5,17-diyl)bis(oxy)]bis-, diethyl ester (9CI);Pentacyclo[19.3.1.13,7.19,13.115,19]octacosane, acetic acid deriv.;