Synonyms: 5,6,14,15-DIBENZO-4,7,13,16,21,24-HEXAOXA-1,10-DIAZABICYCLO[8.8.8]HEXACOSANE;KRYPTOFIX 222 BB;KRYPTOFIX(R) 222 BB;6,7,9,10,17,18,20,21-octahydro-8,19-(ethanoxyethanoxyethano)-8H,19H-dibenzo[b,k][1,4,10,13,7,16]tetraoxadiazacyclooctadecine;KRYPTOFIX 222 BB 99+%;8,19-(Ethanoxyethanoxyethano)-8H,19H-dibenzob,k1,4,10,13,7,16tetraoxadiazacyclooctadecine, 6,7,9,10,17,18,20,21-octahydro-;5,6:14,15-Bis(2-butene-1,4-diylidene)-1,10-diaza-4,7,13,16,21,24-hexaoxabicyclo[8.8.8]hexacosane;6,7,9,10,17,18,20,21-Octahydro-8,19-(ethanoxyethanoxyethano)-8H,19H-dibenzo[b,k][1,4,10,13,7,16]tetraoxadiazacyclooctadecine