(((2-Methyl(methylsulfonyl)amino)-2-oxoethyl)amino)methylphosphonic acid 98565-18-5 Mesylcarbamoylmethylaminomethylphosphonic acid Methylcarbamoylmethylaminomethylphosphonic acid Phosphonic acid, (((2-methyl(methylsulfonyl)amino)-2-oxoethyl)amino)methyl-