InChI=1/C15H17N3O2/c1-3-20-15(19)10-7-11-13(16)9-5-4-6-12(9)18-14(11)17-8(10)2/h7H,3-6H2,1-2H3,(H2,16,17,18)/f/h16H2 CF4BA998403B59F2