InChI=1/C16H19N3O2/c1-19(2)11-14-6-4-3-5-12(14)9-18-16(21)13-7-8-15(20)17-10-13/h3-8,10H,9,11H2,1-2H3,(H,17,20)(H,18,21)/p+1/fC16H20N3O2/h17-19H/q+1 850F4E0713C2A2FA