InChI=1S/2C6H12O7.3H2O.Zn/c2*7-1-2(8)3(9)4(10)5(11)6(12)13;;;;/h2*2-5,7-11H,1H2,(H,12,13);3*1H2;/q;;;;;+2/p-2/t2*2-,3-,4+,5-;;;;/m11..../s1