InChI=1/C16H16N4O3/c1-9-4-5-11(6-13(9)21)19-15-14-10(2)12(16(22)23-3)7-20(14)18-8-17-15/h4-8,21H,1-3H3,(H,17,18,19)/f/h19H	4EF1980E069AE132