InChI=1S/C25H47NO4/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-25(29)30-23(26(2,3)4)21-22-24(27)28/h10-11,23H,5-9,12-22H2,1-4H3/b11-10-/t23-/m0/s1