InChI=1/C18H17N3O2/c1-11-8-9-14-16(22)15(10-19-17(14)20-11)18(23)21-12(2)13-6-4-3-5-7-13/h3-10,12H,1-2H3,(H,21,23)(H,19,20,22)/t12-/m0/s1/f/h19,21H C850076B2E1044BB