InChI=1S/C28H27NO11/c1-12-7-17(10-19(30)22(12)25(33)29-15(4)26(34)35)39-28(37)24-14(3)8-18(11-21(24)32)40-27(36)23-13(2)6-16(38-5)9-20(23)31/h6-11,15,30-32H,1-5H3,(H,29,33)(H,34,35)/t15-/m1/s1