InChI=1S/C26H41NO4/c1-16(4-9-23(29)27-15-24(30)31)20-7-8-21-19-6-5-17-14-18(28)10-12-25(17,2)22(19)11-13-26(20,21)3/h16-17,19-22H,4-15H2,1-3H3,(H,27,29)(H,30,31)/t16?,17-,19+,20-,21+,22+,25+,26-/m1/s1