InChI=1/C18H23N3O2/c1-21(2)13-16-5-3-4-15(10-16)12-20-18(23)19-11-14-6-8-17(22)9-7-14/h3-10,22H,11-13H2,1-2H3,(H2,19,20,23)/p+1/fC18H24N3O2/h19-21H/q+1 535E42F4D72EC245