(3R,4R)-3,4-Dihydro-2H-pyran-3,4-diyl diacetate

2,3,4-三-O-乙酰基-α-D-木吡喃糖苷溴

4-oxo-4H-pyran-3-yl 2-chloropropanoate

3-hydroxypyran-4-thione

trans-3-methyl-5-(phenylthio)-4,5,7,7a-tetrahydro-2H-furo[2,3-c]pyran-2-one