InChI=1/C18H23N3O2/c22-16(12-20-8-2-1-3-9-20)21-10-7-13-5-4-6-14-17(13)15(21)11-19-18(14)23/h4-6,15H,1-3,7-12H2,(H,19,23)/p+1/t15-/m1/s1/fC18H24N3O2/h19-20H/q+1 EE1869AB96B51E7B