3-酰脲丙酸

N-(2-氯乙酰基)-beta-丙氨酸

2,3-二氢-3,5-二羟基-6-甲基-4H-吡喃-4-酮

1-(3,4-dihydroxy-2,3-dihydrofuran-5-yl)ethanone

3-(dibenzylamino)propanoic acid