InChI=1S/C17H18N6O/c18-6-4-14(12-2-1-3-15(12)24)23-9-11(8-22-23)16-13-5-7-19-17(13)21-10-20-16/h5,7-10,12,14-15,24H,1-4H2,(H,19,20,21)/t12?,14-,15?/m1/s1