¹H NMR (400 MHz, CDCl₃) δ 8.22 (dd, J = 13.7, 8.6 Hz, 2H), 7.88 (d, J = 8.1 Hz, 1H), 7.73 (dd, J = 19.9, 7.7 Hz, 2H), 7.59 (t, J = 7.4 Hz, 1H), 7.52 (d, J = 7.3 Hz, 1H), 7.39 (dd, J = 17.3, 10.1 Hz, 2H). ¹³C{¹H} NMR (101 MHz, CDCl₃) δ 135.73, 132.33, 131.68, 130.07, 129.90, 129.72, 127.54, 127.17, 126.79, 122.77. GC-MS (m/z): 175.