InChI=1/C16H21N3O2/c1-3-21-12-6-4-11(5-7-12)15-10-18-16(19-15)14-8-13(20-2)9-17-14/h4-7,10,13-14,17H,3,8-9H2,1-2H3,(H,18,19)/p+1/t13-,14-/m0/s1/fC16H22N3O2/h18-19H/q+1 6EE045B5C771FF6D