InChI=1/C16H27N3O2/c1-3-4-11-18-16(20)13-19(12-7-10-17)14-8-5-6-9-15(14)21-2/h5-6,8-9H,3-4,7,10-13,17H2,1-2H3,(H,18,20)/p+1/fC16H28N3O2/h17-18H/q+1 A04E797D4FCFC66C