InChI=1/C19H29N3O4/c1-14-11-19(20-5-4-6-22(7-9-23)8-10-24)21-16-13-18(26-3)17(25-2)12-15(14)16/h11-13,23-24H,4-10H2,1-3H3,(H,20,21)/p+2/fC19H31N3O4/h20-22H/q+2 1EC560B0FAF467E3