The molecule is the organophosphate oxoanion that is 2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate protonated to pH 7.3 It is a conjugate base of a 2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate.
4-methyl-5-(2-phosphonatooxyethyl)-1,3-thiazole-2-carboxylate