2-(2-iodophenyl)-4-methylsulfanyl-6-oxo-1,3-thiazine-5-carbonitrile

2-(2-iodophenyl)-4-methylsulfanyl-6-sulfanylidene-1,3-oxazine-5-carbonitrile

4-methylsulfanyl-2-naphthalen-2-yl-6-oxo-1,3-thiazine-5-carbonitrile

5-cyano-4-(methylthio)-2-(β-naphthyl)-1,3-oxazine-6-thione

2-(4-chlorophenyl)-4-methylsulfanyl-6-oxo-1,3-thiazine-5-carbonitrile