InChI=1/C18H17N3O2/c1-10-2-3-12(18(22)20-13-5-6-13)8-15(10)11-4-7-14-16(9-11)23-21-17(14)19/h2-4,7-9,13H,5-6H2,1H3,(H2,19,21)(H,20,22)/f/h20H,19H2 0C6B2BBE5023ACB0