InChI=1/C16H15N3O2/c1-19-13-5-3-4-12(15(17)20)14(13)18-16(19)10-6-8-11(21-2)9-7-10/h3-9H,1-2H3,(H2,17,20)/f/h17H2 020CFAD18FEE899B