. . "2-ethoxy-2-methylpropane"@en . "CAS:637-92-3" . "2-ethoxy-2-methylpropane — CAS Identifier: 637-92-3"@en . . "ETBE ( etil terbutil etere ) — Codice CAS: 637-92-3"@it . . . "ETBE ( etil terbutil etere )"@it .