InChI=1S/C25H31NO7/c1-27-15-33-25(17-7-9-21(29-3)23(13-17)31-5)19-14-32-24(18(19)10-11-26)16-6-8-20(28-2)22(12-16)30-4/h6-9,12-13,18-19,24-25H,10,14-15H2,1-5H3/t18-,19+,24+,25-/m1/s1