InChI=1S/3C6H12O5/c1-2(7)5-3(8)4(9)6(10)11-5;1-2-3(7)4(8)5(9)6(10)11-2;1-3(8)5(10)6(11)4(9)2-7/h2*2-10H,1H3;2-6,8-11H,1H3