3-(methylthio)-1,6-diphenyl-1,4-dihydro-1,2,4,5-tetrazine

trichloro-thioacetic acid S-methyl ester

2-(methylsulfanyl-methyl)-acetoacetic acid ethyl ester

1-methyl-2-methylsulfanylpyridin-1-ium,iodide

1-phenyl-2-methyl-2-thiopseudourea