InChI=1/C19H23BrN4O/c1-25-22-18(16-5-7-17(20)8-6-16)9-11-23-12-14-24(15-13-23)19-4-2-3-10-21-19/h2-8,10H,9,11-15H2,1H3/p+1/b22-18+/fC19H24BrN4O/h21H/q+1 890822F78DAF1BC4