2-ethyl-5,6-dimethylpyrimidin-4-amine

acetic acid,2-benzylpropane-1,3-diol

3-O-acetyl-D-ribonolactone

3,5-O-diacetyl-D-ribonolactone

[(2R,3S,4R)-3,4-二羟基-5-氧代四氢-2-呋喃基]甲基乙酸酯