InChI=1S/C16H17NO10/c18-7-2-1-6-9(5(4-17-6)3-8(19)20)13(7)26-16-12(23)10(21)11(22)14(27-16)15(24)25/h1-2,4,10-12,14,16-18,21-23H,3H2,(H,19,20)(H,24,25)