InChI=1/C15H17N3O2/c1-19-13-7-3-5-11(9-13)17-15(16)18-12-6-4-8-14(10-12)20-2/h3-10H,1-2H3,(H3,16,17,18)/p+1/fC15H18N3O2/h17-18H,16H2/q+1 EA8F295B5C92C217