2-甲酰基-3,4-二氢吡喃

3,4-二氢吡喃甲酰胺

(3,4-dihydro-2H-pyran-2-yl)methyl methanesulfonate

2-羟甲基-3,4-二氢吡喃

3,4-dihydro-2H-pyran-2-ylmethyl 3,4-dihydro-2H-pyran-2-carboxylate