InChI=1S/C17H18N2O10/c18-6-8(7-4-2-1-3-5-7)19-14(24)12(23)16(27)29-17-11(22)9(20)10(21)13(28-17)15(25)26/h1-5,8-13,17,20-23H,(H,19,24)(H,25,26)