InChI=1/C23H40N2O4/c1-9-17(10-2)20(21(28)24-23(7,8)15-22(4,5)6)25(19(27)14-26)13-18-12-11-16(3)29-18/h11-12,17,20,26H,9-10,13-15H2,1-8H3,(H,24,28)/t20-/m1/s1/f/h24H 4BC2C2D548F38B8E