3-hydroxy-2-methyl-[1,3]thiazolo[3,2-a]pyridin-4-ium-8-olate

3-(3,4-dichlorophenyl)-5-methyl-2-sulfanylidene-1,3-thiazolidin-4-one

3-ethyl-2-methylpent-2-enoic acid

2-anilinopropanoic acid

2-phenylsulfanylpropanoic acid