InChI=1/C16H21N3O2/c1-2-3-10-19(12-15(18)20)16(21)14-8-4-6-13(11-14)7-5-9-17/h4,6,8,11H,2-3,9-10,12,17H2,1H3,(H2,18,20)/p+1/fC16H22N3O2/h17H,18H2/q+1 912A7FE805A99443