InChI=1/C16H21N3O/c20-16-3-1-9-19(16)10-2-7-17-12-13-4-5-15-14(11-13)6-8-18-15/h4-6,8,11,17-18H,1-3,7,9-10,12H2/p+1/fC16H22N3O/h17H/q+1 C16C4C23BEFA2675