InChI=1/C17H17N3O2/c1-2-3-9-22-16-13(10-18-17-14(16)11-19-20-17)15(21)12-7-5-4-6-8-12/h4-8,10-11H,2-3,9H2,1H3,(H,18,19,20)/f/h20H 56DCC5F50CC1B7C7