InChI=1S/C23H29NO7/c1-6-17(19(27)30-5)13-15(3)12-14(2)8-7-9-16(4)18(26)23(29)20-22(31-20,10-11-25)24-21(23)28/h6-9,12-13,20,25,29H,10-11H2,1-5H3,(H,24,28)/b8-7+,14-12+,15-13+,16-9+,17-6+/t20-,22+,23+/m1/s1