3-(4-甲基苄磺酰基)-丙酸

3-[(5-phenyl-1H-1,2,4-triazol-3-yl)sulfanyl]propanoic acid

3-(3-oxo-1,2-benzothiazol-2-yl)propanoic acid

3-[4-(dimethylamino)pyridin-1-ium-1-yl]propanoic acid,bromide

benzyl 3-bromopropanoate