Registre de correu electrònic: Crystal structure of aqua­(2-{[2-({2-[bis­(carboxyl­ato-κO-meth­yl)amino-κN]eth­yl}(carboxyl­ato-κO-meth­yl)amino-κN)eth­yl](carb­oxy­meth­yl)aza­niumyl}acetato)­gallium(III) trihydrate