英文同义词: | 5,6-DIHYDRO-4-METHOXY-2H-PYRAN;4-METHOXY-5,6-DIHYDROPYRAN;2H-Pyran, 3,6-dihydro-4-methoxy-;4-Methoxy-3,6-dihydro-2H-pyran;3,6-dihydro-4-methoxy-2H-pyran;5,6-Dihydro-4-methoxy-2H-pyrane;5,6-Dihydro-4-methoxy-2H-pyran ,95%;4-Methoxy-5,6-dihydro-2H-pyran |