2-Methoxytetrahydropyran 2H-Pyran, tetrahydro-2-methoxy- (8CI) 5-17-03-00078 (Beilstein Handbook Reference) 6581-66-4 BRN 0102955 EINECS 229-509-8 PYRAN, 2-METHOXY-TETRAHYDRO- Tetrahydro-2-methoxy-2H-pyran