InChI=1/C13H18N4O2/c1-8-4-3-5-13(14,6-8)12-16-11(19-17-12)10-7-15-18-9(10)2/h7-8H,3-6,14H2,1-2H3/p+1/t8-,13+/m1/s1/fC13H19N4O2/h14H/q+1 DC7D02B1C9472220