熔点： 160.7 - 162.6 ^oC. ¹H NMR (400 MHz, CDCl₃) δ 7.87 – 7.75 (m, 1H), 7.43 (d, J = 7.5 Hz, 2H), 7.34 (t, J = 7.3 Hz, 2H), 7.25 (d, J = 6.7 Hz, 1H), 7.09 (t, J = 8.8 Hz, 2H), 6.20 (d, J = 4.3 Hz, 1H), 3.11 (d, J = 17.5 Hz, 1H), 2.96 (d, J = 17.5 Hz, 1H), 2.74 – 2.53 (m, 3H), 2.15 – 1.98 (m, 2H), 1.70 (dd, J = 13.4, 3.4 Hz, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 209.12, 168.70, 155.66 (d, J = 10.0 Hz), 141.40, 136.08, 132.25, 128.38, 127.09, 126.64 (d, J = 10.5 Hz), 125.05, 122.32, 115.86 (d, J = 23.8 Hz), 113.32 (d, J = 22.1 Hz), 48.54, 39.00, 35.04, 29.27, 24.76. HRMS (ESI): calcd for C₂₀H₁₈FO [M + H]: 293.1342, found: 293.1345.