InChI=1/C18H17N3O2/c1-11-7-8-15-14(9-11)12(2)17(20-15)18(23)21-19-10-13-5-3-4-6-16(13)22/h3-10,17,22H,1-2H3,(H,21,23)/p+1/b19-10+/t17-/m1/s1/fC18H18N3O2/h20-21H/q+1 800BBA2063B343AD