InChI=1/C18H17N3O2/c1-12(2)11-21-15-10-14(19)3-4-16(15)23-17(18(21)22)9-13-5-7-20-8-6-13/h3-10H,1,11,19H2,2H3/b17-9+ 9A35EADB98B8E081