“…13 C NMR data (CDCl 3 , 100 MHz): 33.5 (C-1), 25.4 (C-2), 76.0 (C-3), 37.5 (C-4),48.8 (C-5), 18.2 (C-6), 35.2 (C-7), 43.5 (C-8), 55.8 (C-9), 38.2 (C-10), 68.4 (C-11), 128.7 (C-12), 142.9 (C-13), 42.2 (C-14), 27.9 (C-15), 27.7 (C-16), 33.6 (C-17), 58.1 (C-18), 39.4 (C-19), 39.3 (C-20), 31.1 (C-21), 41.3 (C-22), 28.7 (C-23), 22.4 (C-24), 16.6 (C-25), 18.0 (C-26), 23.3 (C-27), 28.6 (C-28), 17.5 (C-29), 21.3 (C-30). 8.…”