InChI=1/C16H18N6O2/c1-8-5-12-13(21-16(24)20-12)6-11(8)19-14(23)10-7-17-15(22(3)4)18-9(10)2/h5-7H,1-4H3,(H,19,23)(H2,20,21,24)/f/h19-21H BE44726B50036F7E