1H NMR (400 MHz, CDCl3) δ 8.34 (s, 1H), 8.17 (d, J = 8.2 Hz, 1H), 7.79 (d, J = 7.6 Hz, 1H), 7.56 (m, 1H), 7.41 (d, J = 7.6 Hz, 2H), 7.36 (d, J = 7.3 Hz, 2H), 7.29 (d, J = 6.7 Hz, 1H), 6.23 (s, 1H), 4.78 (d, J = 9.9 Hz, 1H), 4.59 (q, J = 17.4 Hz, 2H), 2.77 - 2.62 (m, 2H). 13C NMR (100 MHz, CDCl3) δ 148.4, 144.6, 139.7, 133.9, 132.0, 129.4, 128.6, 127.6, 124.8, 122.6, 122.2, 121.0, 74.7, 66.8, 34.8. HRMS (ESI): calcd for C17H16NO3+:282.1125, found: 282.1122.