1,4,7,10,13,16-HEXAOXACYCLOOCTADECANE 71251-39-3 71251-42-8 134316-24-8 168081-58-1 17455-13-9 63172-42-9 65154-22-5 66037-87-4 71210-94-1 71211-03-5 71245-01-7 71251-38-2 1,4,7,10,13,16-Hexanoxacyclooctadecane 18-Crown-6 5-19-12-00601 (Beilstein Handbook Reference) BRN 1619616 CCRIS 3587 EINECS 241-473-5 Ethylene oxide cyclic hexamer NSC 159836 18-Crown-6 ether NSC159836 186651_ALDRICH ZINC03861356 274984_ALDRICH CHEBI:32397 WLN: T-18-O DO GO JO MO POTJ 07673_FLUKA ST023795 33003U_SUPELCO Hexaoxacyclooctadecane