“…31 169.9, 156.4, 143.9, 141.4, 139.3, 132.9, 132.6, 132.2, 132.1, 131.8, 128.7, 128.6, 128.1, 128.0, 127.9, 127.2, 125.2, 120.1, 67.4, 66.4, 47.2, 42.9 ppm. 31 (d,J = 7.6 Hz,2 H),6 H),J = 7.4 Hz,4 H),4 H),4 H),J = 7.4 Hz, 2 H), 6.95-6.93 (d, J = 8.4 Hz, 2 H), 6.87-6.85 (d, J = 8.4 Hz, 2 H), 5.28-5.26 (d, J = 7.9 Hz, 1 H), J = 8.5 Hz,2 H),1 H),2 H),J = 6.9 Hz, 1 H), 3.09-3.06 (m, 2 H), 1.30 (s, 9 H) ppm. 13 C NMR (100 MHz, CDCl 3 ): δ = 171.…”