InChI=1/C19H17BrN4O3/c20-13-6-7-15-14(10-13)18(19(27)22-15)24-23-17(26)9-8-16(25)21-11-12-4-2-1-3-5-12/h1-7,10H,8-9,11H2,(H,21,25)(H,23,26)(H,22,24,27)/p+1/fC19H18BrN4O3/h21-24H/q+1 E0CF8F9854F53FCE