InChI=1S/C22H41NO7/c1-3-4-5-10-13-17(25)14-11-8-6-7-9-12-15-18(26)20(27)21(28)19(22(29)30)23-16(2)24/h12,15,17-21,25-28H,3-11,13-14H2,1-2H3,(H,23,24)(H,29,30)/b15-12+/t17?,18-,19-,20+,21+/m0/s1