InChI=1/C15H15N5O2/c1-9(2)20-13(21)6-5-11(19-20)10-8-17-15(16)18-14(10)12-4-3-7-22-12/h3-9H,1-2H3,(H2,16,17,18)/f/h16H2 0123E46BAA3A926B