InChI=1/C19H27N3O4/c1-22-9-8-13-14(10-22)16(24-2)18-17(25-11-26-18)15(13)21-19(23)20-12-6-4-3-5-7-12/h12H,3-11H2,1-2H3,(H2,20,21,23)/p+1/fC19H28N3O4/h20-22H/q+1 225773F9347A04AF