InChI=1S/C28H43NO5/c1-7-17(2)14-18(3)15-20(5)26-19(4)8-9-23(34-26)24-25(31)22(16-29(6)27(24)32)28(33)12-10-21(30)11-13-28/h15-19,23,26,31,33H,7-14H2,1-6H3/b20-15+/t17?,18?,19-,23+,26-/m1/s1