Synonyms: dibenzo(b,k)(1,4,7,10,13,16)hexaoxacyclooctadecin,eicosahydro-2,?-bis(1,1-dime;eicosahydro-2,?-bis(1,1-dimethylethyl)dibenzo(b,k)(1,4,7,10,13,16)hexaoxacyc;looctadecin;4',4''(5'')-DI-TERT-BUTYLDICYCLOHEXANO-18-CROWN-6;4', mixture of isomers;4'' 4 (5 )-DI-TERT.BUTYLDICYCLOHEXANO-18-CROWN-6,MIXTUREOFISOMERS