“…, trans:cis) 1. H NMR (1H NMR (400 MHz, CDCl3) δ 8.60 (br s, 1 H), 8.41 (br s, 1 H), 7.39 (dd, J = 10.4, 1.6 Hz, 1 H), 7.32 (d, J = 8.5 Hz, 1 H), 7.15 (br s, 1 H), 6.82 (app q, J = 8.3 Hz, 1 H), 6.61 (app td, J = 8.5, 5.4 Hz, 1 H), 5.45 (br s, 1 H), 4.88 (br s, 1 H, minor diastereomer), 4.76 (app sept, J = 4.5 Hz, 1 H),4.11-4.25 (m, 2 H), 3.93-4.11 …”