InChI=1S/C20H28N2O10/c1-30-17-11(23)6-4-10(5-7-12(24)22-9-3-2-8-21)16(17)31-20-15(27)13(25)14(26)18(32-20)19(28)29/h4-7,13-15,18,20,23,25-27H,2-3,8-9,21H2,1H3,(H,22,24)(H,28,29)