InChI=1/C12H12N4O3/c1-6-5-7(2)15-11(18)8(6)16-12(19)9-10(17)14-4-3-13-9/h3-5H,1-2H3,(H,14,17)(H,15,18)(H,16,19)/f/h14-16H 70EBF9BF624669D9