色酮-3-甲腈

四氢吡喃-3-羧酸

4-(3,4-dihydro-2H-pyran-5-yl)morpholine

4-(5,6-Dihydro-2H-pyran-3-yl)morpholin

2-amino-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxamide