InChI=1/C18H27N3O2/c22-21(23)18-9-7-16(8-10-18)15-19-11-13-20(14-12-19)17-5-3-1-2-4-6-17/h7-10,17H,1-6,11-15H2/p+1/fC18H28N3O2/h20H/q+1 2CD721812765C44F