MT016953

english name: 3,4-dihydro-2h-pyran common aliases: 2,3-dihydro-4h-pyran| 2,3-dihydropyran| 2,3-dihydropyran| 3,4-2h-dihydropyran| 3, 4-dihydro-2h-pyran | 3,4-dihydropyran | 3,4-dihydropyran (dhp, thp)…