InChI=1/C25H34N2O4/c1-3-5-7-8-9-16-23(29)27(19-20-13-12-18-31-20)24(25(30)26-17-6-4-2)21-14-10-11-15-22(21)28/h9-16,18,24,28H,3-8,17,19H2,1-2H3,(H,26,30)/b16-9+/t24-/m1/s1/f/h26H 4A2B34806F31F771