InChI=1/C19H17BrN4O5/c1-11-14(7-4-8-15(11)24(28)29)21-16(25)10-23-17(26)19(2,22-18(23)27)12-5-3-6-13(20)9-12/h3-9H,10H2,1-2H3,(H,21,25)(H,22,27)/t19-/m0/s1/f/h21-22H	6878B3267D38D17C