InChI=1/C15H19N3O2/c1-11(18-16-10-19)9-15(20)17-14-8-4-6-12-5-2-3-7-13(12)14/h4,6,8-10,18H,2-3,5,7H2,1H3,(H,16,19)(H,17,20)/b11-9+/f/h16-17H F39821CD72DAF97D