InChI=1S/C31H44O7/c1-3-26(32)19-15-23-31(36)38-29-20-12-7-11-18-28(34)24-27(33)17-10-6-4-5-9-16-25(2)37-30(35)22-14-8-13-21-29/h4,6-8,10-15,17,19-20,22,25-29,32-34H,3,5,9,16,18,21,23-24H2,1-2H3/b6-4-,11-7-,13-8+,17-10+,19-15+,20-12?,22-14-/t25-,26+,27+,28+,29-/m1/s1