“…1 H NMR (300 MHz, CD2Cl2, 298 K): δ 9.05 (d, 3 JH-H = 6.3, 1 H, CHarom), 8.56 (d, 3 JH-H = 8.4, 1 H, CHarom), 7.92 (dd, 3 JH-H = 6.0, 3 JH-H = 1.5, 1 H, CHarom), 7.55 (d, 3 JH-H = 8.0, 1 H, CHarom), 7.35 (t, 3 JH-H = 7.6, 1 H, CHarom), 7.30 (dt, 3 JH-H = 7.5, 1 JH-H = 1.0, 1 H, CHarom), 7.16 (dt, 3 JH-H = 7.4, 1 JH-H = 0.8, 1 H, CHarom), 7.11 (t, 3 JH-H = 8.1, 1 H, CHarom), 6.63 (d, 3 JH-H = 7.3, 1 H, CHarom), 6.26 (d, 3 JH-H = 7.4, 1 H, CHarom), 2.54 (s, 3 H, py-CH3), 2.23 (s, 3 H, py-CH3), 1.89 (m, 6 H, PCH), 0.87 (dvt, JH-H = 6.8,N = 12.8,36 H,PCH(CH3)2), -12.06 (br, 3 H, OsH). 1 H NMR (300 MHz, CD2Cl2, 193 K): δ -10.68 (d,1 H),.1), -13.89 (d,.1). T1(min) (ms, OsH, 300 MHz, CD2Cl2, 203 K): 91 (-10.68 ppm).…”