7-Methansulfonyloxy-4-methyl-cumarin

(4-methyl-5-methylsulfonyloxy-2-oxochromen-7-yl) methanesulfonate

(4-methyl-8-methylsulfonyloxy-2-oxochromen-7-yl) methanesulfonate

[1-(hydroxymethyl)cyclopentyl]methanol,methanesulfonic acid

[1-(hydroxymethyl)cyclohexyl]methanol,methanesulfonic acid