InChI=1/C26H38N2O4/c1-5-8-10-20(7-3)26(31)28(18-23-16-11-19(4)32-23)24(25(30)27-17-9-6-2)21-12-14-22(29)15-13-21/h11-16,20,24,29H,5-10,17-18H2,1-4H3,(H,27,30)/t20-,24-/m1/s1/f/h27H 5C0F5CB67E302C7C