1-(5-methylsulfanyl-2-pyridin-4-yl-2H-1,3,4-thiadiazol-3-yl)ethanone

2-methylsulphonyl-5-(4-pyridyl)-1,3,4-thiadiazole

2-methylsulphinyl-5-(4-pyridyl)-1,3,4-thiadiazole

pyridine-4-carbaldehyde methylthio(thiocarbonyl)hydrazone

4-acetyl-2-methylsulphinyl-5-(4-pyridyl)-4,5-dihydro-1,3,4-thiadiazoles