熔点: 111.7 - 113.2 ^oC. ¹H NMR (400 MHz, CDCl3) δ 7.99 (d, J = 7.6 Hz, 2H), 7.58 (t, J = 7.2 Hz, 1H), 7.49 (t, J = 7.4 Hz, 2H), 7.33 (d, J = 8.0 Hz, 2H), 7.29 (d, J = 8.1 Hz, 2H), 6.18 (d, J = 2.6 Hz, 1H), 3.67 – 3.53 (m, 1H), 2.55 (s, 2H), 2.45 (d, J = 17.7 Hz, 2H), 2.18 (d, J = 12.8 Hz, 1H), 1.94 – 1.81 (m, 1H). ¹³C NMR (101 MHz, CDCl3) δ 203.10, 140.14, 136.23, 135.24, 133.06, 132.58, 128.75, 128.40, 128.34, 126.33, 123.73, 41.11, 28.66, 27.08, 26.17. HRMS (ESI): calcd for C₁₉H₁₈ClO [M + H]: 297.1046, found: 297.1044.