Examples of the compound having ???SO3M and a glycidyl group include sulfurous acid and sulfites such as sodium sulfite, sodium bisulfite, potassium sulfite and ammonium sulfite; sulfuric acid and hydrogen sulfates such as sodium hydrogensulfate, potassium hydrogensulfate and ammonium hydrogen sulfate; and aminosulfonic acids such as taurine, sodium taurine, potassium taurine, ammonium taurine, su