2,2'-(Oxybis(methylene))bisfuran 2,2'-(Oxydimethylene)difuran 2,2'-Difurfuryl ether 4437-22-3 5-17-03-00347 (Beilstein Handbook Reference) BRN 0156726 Difurfuryl ether Difurfuryl ether (7CI) FEMA No. 3337 Furan, 2,2'-(oxybis(methylene))bis- Furan, 2,2'-(oxydimethylene)di- Furan, 2,2'-(oxydimethylene)di- (6CI,8CI) Furfuryl ether NSC 97234