“…1 H NMR (300 MHz, DMSO-d 6 /D 2 O) δ (ppm) 7.45 (dd, J = 8.0, 1.6 Hz, 1H, E-H Ar ), 7.40 (dd, J = 8.0, 1.6 Hz, 1H, Z-H Ar ), 7.00 (dd, J = 8.0, 1.6 Hz, 1H, E-H Ar ), 6.85 (dd, J = 8.0, 1.6 Hz, 1H, Z-H Ar ), 6.80-6.69 (m, 2H, E-H Ar + Z-H Ar ), 6.61 (q, J = 7.1 Hz, 1H, Z-CH), 5.80 (q, J = 7.5 Hz, 1H, E-CH), 1.96 (d, J = 7.5 Hz, 3H, E-CH 3 ), 1.67 (d, J = 7.1 Hz, 3H, Z-CH 3 ). 13…”