InChI=1/C17H21N3O3/c1-11-5-6-13(9-12(11)2)18-14(21)10-20-15(22)17(19-16(20)23)7-3-4-8-17/h5-6,9H,3-4,7-8,10H2,1-2H3,(H,18,21)(H,19,23)/f/h18-19H 11D768508527A9DF