InChI=1/C19H15BrN2O5/c20-9-5-7-10(8-6-9)22-17(24)13-14(18(22)25)16(19(26)27)21-15(13)11-3-1-2-4-12(11)23/h1-8,13-16,21,23H,(H,26,27)/t13-,14+,15+,16-/m1/s1/f/h21H 09F99D1D81A66504