InChI=1/C20H27N3O4/c1-4-23(5-2)17(18-10-7-11-27-18)13-21-19(24)20(25)22-16-9-6-8-15(12-16)14-26-3/h6-12,17H,4-5,13-14H2,1-3H3,(H,21,24)(H,22,25)/p+1/t17-/m0/s1/fC20H28N3O4/h21-23H/q+1 E27D42E6F76F2F4C