InChI=1/C15H16N4O2/c16-13-10-12(19(20)21)3-4-15(13)18-9-1-2-14(18)11-5-7-17-8-6-11/h3-8,10,14H,1-2,9,16H2/p+1/t14-/m1/s1/fC15H17N4O2/h17H/q+1 CD64229A18E8B7F7