InChI=1/C19H26N2O4/c1-2-24-19(23)15-7-9-16(10-8-15)20-11-17(22)12-25-21-18(13-3-4-13)14-5-6-14/h7-10,13-14,17,20,22H,2-6,11-12H2,1H3/t17-/m1/s1 C393F52DF1783A2D