Methyl methanesulfonate66-27-3100 % similar Methanesulfonic anhydride7143-01-353 % similar Dimethyl sulfate77-78-144 % similar Busulfan55-98-141 % similar Ethyl methanesulfonate62-50-041 % similar Isopropyl methanesulfonate926-06-741 % similar Methyl fluorosulfonate421-20-538 % similar Methyl chlorosulfate812-01-138 % similar Methyl ethanesulfonate1912-28-335 % similar Phenyl methanesulfonate16156-59-535 % similar Butyl methanesulfonate1912-32-935 % similar 2,2,2-Trifluoroethyl methanesulfonate25236-64-035 % similar Methyl trifluoromethanesulfonate333-27-733 % similar Sodium methyl sulfate512-42-533 % similar Potassium monomethylsulfate562-54-933 % similar