“…13 C NMR (100 MHz, CDCl 3 ), δ ppm: 20. 8,77.9,103.5,113.6,121.6,126.7,127.0,127.3,127.8,128.8,128.8,129.7,130.0,130.7,131.3,132.0,137.1,141.1. MS (EI,70 eV): m/z (%) = 336 (M + , 60), 335 (100), 334 (19), 245 (13), 217 (13), 207 (12), 194 (18), 91 (28), 77 (16), 65 (21).…”