Synonyms: 4-(1,1-Dimethylethyl)calix[8]arene;4-tert-Butylcalix[8]arene;5,11,17,23,29,35,41,47-Octa-tert-butylcalix[8]arene-49,50,51,52,53,54,55,56-octol;Bontron E 89; E 89; NSC 344028; p-tert-Butylcalix[8]arene;p-tert-Butylhydroxycalix[8]arene; tert-Butylcalix[8]arene