InChI=1/C18H20N4O3/c1-12-9-17(20-13(2)19-12)21-5-7-22(8-6-21)18(23)14-3-4-15-16(10-14)25-11-24-15/h3-4,9-10H,5-8,11H2,1-2H3/p+1/fC18H21N4O3/h19H/q+1 F142E3A70AE82369