InChI=1/C28H26N2O8/c31-19-12-10-17(11-13-19)26(34)30-21-15-29-14-2-5-23(21)38-28(37)18-8-6-16(7-9-18)25(33)24-20(27(35)36)3-1-4-22(24)32/h1,3-4,6-13,21,23,29,31-32H,2,5,14-15H2,(H,30,34)(H,35,36)/t21-,23-/m1/s1/f/h29-30H 738E8F0C80ABE89D