InChI=1/C15H19N5O/c1-10-13(21)11(2)19-15(18-10)20-14(16)17-9-8-12-6-4-3-5-7-12/h3-7,21H,8-9H2,1-2H3,(H3,16,17,18,19,20)/f/h17H,16H2 BE29CCDE1998D495