InChI=1/C18H21N3O/c22-18(15-7-3-1-4-8-15)20-13-16-14-21(12-11-19-16)17-9-5-2-6-10-17/h1-10,16,19H,11-14H2,(H,20,22)/p+1/t16-/m0/s1/fC18H22N3O/h19-20H/q+1 D305D2F88C1D63E4