InChI=1/C16H15N3O2/c1-2-19-10-12(9-17-19)18-16(21)14-8-7-11-5-3-4-6-13(11)15(14)20/h3-10,20H,2H2,1H3,(H,18,21)/f/h18H 7396474EA74D7EEA