InChI=1S/C16H20O12/c17-8-9(18)11(13(22)23)27-15(10(8)19)26-3-16-6(28-16)1-4-5(12(20)21)2-25-14(24)7(4)16/h2,4,6-11,14-15,17-19,24H,1,3H2,(H,20,21)(H,22,23)