InChI=1/C18H19N3O2/c1-11-4-5-14(8-12(11)2)19-18(23)20-15-6-7-16-13(9-15)10-17(22)21(16)3/h4-9H,10H2,1-3H3,(H2,19,20,23)/f/h19-20H 18C00705CE415999