InChI=1S/2C4H7NO4.Mg.4H2O/c2*5-2(4(8)9)1-3(6)7;;;;;/h2*2H,1,5H2,(H,6,7)(H,8,9);;4*1H2/q;;+2;;;;/p-2/t2*2-;;;;;/m00...../s1