InChI=1/C17H21N3O3/c1-11-3-5-13(6-4-11)20(2)14(21)12-7-9-17(10-8-12)15(22)18-16(23)19-17/h3-6,12H,7-10H2,1-2H3,(H2,18,19,22,23)/f/h18-19H 2561AD13C4A23DA0