沸点：56.8 – 58.5 ^oC. ¹H NMR (400 MHz, CDCl₃) δ 7.80 (d, J = 7.6 Hz, 1H), 7.61 (t, J = 7.4 Hz, 1H), 7.45 (d, J = 7.6 Hz, 1H), 7.39 (t, J = 6.9 Hz, 3H), 7.03 (t, J = 8.3 Hz, 2H), 6.15 (d, J = 3.6 Hz, 1H), 3.12 (d, J = 17.3 Hz, 1H), 2.97 (d, J = 17.2 Hz, 1H), 2.71 – 2.52 (m, 3H), 2.11 – 2.00 (m, 2H), 1.70 (dd, J = 13.2, 2.7 Hz, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 210.92, 162.04 (d, J = 245.9 Hz), 152.72, 137.63, 135.86, 135.14, 134.97, 127.55, 126.72, 126.57 (d, J = 7.8 Hz), 124.38, 122.45, 115.10 (d, J = 21.3 Hz), 48.05, 39.12, 35.00, 29.26, 25.02. HRMS (EI): calcd for C₂₀H₁₇FO: 292.1263, found: 292.1262.