InChI=1S/C23H35NO5/c1-2-3-9-15-19(25)16-11-8-6-4-5-7-10-13-18-14-12-17-20(26)21(18)22(27)24-23(28)29/h11-12,14,16-17,19,25-26H,2-10,13,15H2,1H3,(H,24,27)(H,28,29)/b16-11+