InChI=1/C18H14BrNO3/c19-11-5-6-12(10-4-2-1-3-9(10)11)20-17(21)15-13-7-8-14(23-13)16(15)18(20)22/h1-6,13-16H,7-8H2/t13-,14+,15+,16-	0F24AC4FAB3A44F6