InChI=1S/C26H30N4O11/c1-14(31)30(39)11-3-2-10-27-23(36)17(13-41-26(38)16-7-5-9-20(33)22(16)35)28-24(37)18-12-40-25(29-18)15-6-4-8-19(32)21(15)34/h4-9,17-18,32-35,39H,2-3,10-13H2,1H3,(H,27,36)(H,28,37)/t17-,18-/m0/s1