InChI=1S/C23H43NO6/c1-24(2,3)19-20(18-22(27)28)30-23(29)17-15-13-11-9-7-5-4-6-8-10-12-14-16-21(25)26/h20H,4-19H2,1-3H3,(H-,25,26,27,28)