InChI=1/C16H15N5/c1-2-4-15-12(3-1)5-10-16(15)18-13-6-8-14(9-7-13)21-11-17-19-20-21/h1-4,6-9,11,16,18H,5,10H2/t16-/m0/s1 DA9AE82235C139E4