InChI=1/C16H15N3O3/c1-22-10-7-5-9(6-8-10)19-16(21)13-14(20)11-3-2-4-12(11)17-15(13)18-19/h5-8H,2-4H2,1H3,(H2,17,18,20)/f/h17-18H 796C5654A00F7821