InChI=1S/C23H29NO7/c1-24(2,22-19(27)17(25)18(26)21(31-22)23(28)29)13-14-30-20(15-9-5-3-6-10-15)16-11-7-4-8-12-16/h3-12,17-22,25-27H,13-14H2,1-2H3/p+1/t17-,18-,19+,21-,22?/m0/s1