InChI=1/C18H25N3O2/c1-3-11-20(12-4-2)15-18(23)21(13-10-17(19)22)14-16-8-6-5-7-9-16/h3-9H,1-2,10-15H2,(H2,19,22)/p+1/fC18H26N3O2/h20H,19H2/q+1 D1BDA74F1A477CBF