InChI=1/C15H18N6O2/c1-9-7-10(2)21(19-9)15-17-12(16-11(3)22)8-13(18-15)20-6-4-5-14(20)23/h7-8H,4-6H2,1-3H3,(H,16,17,18,22)/f/h16H 2EF6296264B104BD