InChI=1S/C19H21N3O3/c1-13-6-8-22(9-7-13)17-4-2-14(12-23)10-16(17)21-19(24)18-5-3-15(11-20)25-18/h2-5,10,13,23H,6-9,12H2,1H3,(H,21,24)