112-98-1 4-01-00-02404 (Beilstein Handbook Reference) 5,8,11,14,17-Pentaoxaheneicosane AI3-19431 BRN 1780992 Dibutoxy tetraglycol Dibutylether tetraethylenglykolu [Czech] Pentaether TETRAETHYLENE GLYCOL, DIBUTYL ETHER Tetraethylene glycol dibutyl ether