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