IR (, InChI=1S/C18H17BrN2O/c19-12-6-7-13-21-16-11-5-4-10-15(16)20-17(18(21)22)14-8-2-1-3-9-14/h1-5,8-11H,6-7,12-13H2)

dataset for IR IR (ATR, ṽ) = 3064, 2962, 2952, 2941, 2936, 2885, 2363, 2340, 1643, 1599, 1582, 1574, 1493, 1485, 1465, 1455, 1443, 1426, 1366, 1341, 1317, 1296, 1271, 1255, 1242, 1220, 1174, 1149, 1132, 1068, 1045, 1027, 1001, 973, 942, 918, 894, 870, 850, 840, 805, 765, 752, 732, 711, 694, 673, 640, 618, 596, 567, 552, 531, 497, 465, 450, 435, 416, 407, 384 cm–1.