熔点: 181.3 - 182.9 ^oC. ¹H NMR (400 MHz, CDCl₃) δ 8.07 (d, J = 7.8 Hz, 2H), 7.80 (d, J = 7.8 Hz, 2H), 7.40 (d, J = 7.5 Hz, 2H), 7.33 (t, J = 7.3 Hz, 2H), 7.25 (d, J = 9.0 Hz, 1H), 6.17 (s, 1H), 3.55 (d, J = 9.5 Hz, 1H), 2.61 (s, 2H), 2.49 (dd, J= 30.1, 14.0 Hz, 2H), 2.18 (d, J = 12.0 Hz, 1H), 1.96 – 1.82 (m, 1H). ¹³C NMR (101 MHz, CDCl₃) δ 201.89, 141.48, 139.35, 136.43, 132.64, 128.76, 128.37, 127.08, 125.07, 122.52, 117.98, 116.29, 41.69, 28.45, 27.02, 26.01. HRMS(ESI): calcd for C₂₀H₁₈NO [M + H]: 288.1388, found: 283.1381.