2-(anilinomethyl)-3-hydroxythiochromen-4-one

3-hydroxy-2-[(N-methylanilino)methyl]thiochromen-4-one

3-hydroxy-2-(piperidin-1-ylmethyl)thiochromen-4-one

3-hydroxy-2-(morpholin-4-ylmethyl)thiochromen-4-one

4,6-dimethyl-1-oxido-2-(piperidin-1-ylmethyl)pyrimidin-1-ium-5-ol