熔点: 83.4 - 85.0 ^oC. ¹H NMR (400 MHz, CDCl3) δ 8.12 (d, J = 7.9 Hz, 1H), 7.79 (d, J = 7.9 Hz, 1H), 7.43 (d, J = 7.5 Hz, 1H), 7.36 (t, J = 7.4 Hz, 1H), 7.28 (t, J = 7.2 Hz, 1H), 6.20 (s, 1H), 3.62 (s, 1H), 2.63 (s, 1H), 2.57 (d, J = 10.2 Hz, 1H), 2.49 (d, J = 17.8 Hz, 1H), 2.22 (d, J = 11.9 Hz, 1H), 2.06 – 1.83 (m, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 202.22, 141.57, 139.08, 136.41, 134.31 (d, J = 32.7 Hz), 128.64, 128.33, 127.00, 125.80, 125.76, 125.06, 122.67, 41.69, 28.51, 27.08, 26.07. HRMS (ESI): calcd for C₂₀H₁₈F₃O [M + H]: 331.1310, found: 331.1309.