InChI=1S/C26H28N2O12/c1-37-15-8-10(2-4-13(15)29)22-26(36,17-14(38-22)5-3-12-16(17)11(6-7-27)9-28-12)25(35)40-24-20(32)18(30)19(31)21(39-24)23(33)34/h2-5,8-9,18-22,24,28-32,36H,6-7,27H2,1H3,(H,33,34)