2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-ethyl]-6-methyl-4-methylsulfanyl-pyranylium; iodide

2-Methyl-6-[2-(2-oxo-cyclohexyl)-1-(toluene-4-sulfonyl)-ethyl]-pyran-4-one

2-methyl-6-<(p-tolylsulfonylfonyl)methyl>-4H-pyran-4-one

2-(bromomethyl)-6-methyl-4H-pyran-4-one

2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-ethyl]-6-methyl-pyran-4-thione