InChI=1S/C20H28N2O11/c1-30-11-6-8(15-17(32-15)18(27)22-7-9(23)4-5-21)2-3-10(11)31-20-14(26)12(24)13(25)16(33-20)19(28)29/h2-3,6,9,12-17,20,23-26H,4-5,7,21H2,1H3,(H,22,27)(H,28,29)