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Microsoft Word - Prachayasittikul_proof.doc
cm−1; 1H- NMR (CDCl3): δ 0.66 (d, 1H, J = 9.1 Hz, H- 5), 0.73 (s, 3H, H-24), 0.76 (s, 3H, H-28), 0.80 (s, 3H, H-25), 0.92 (s, 3H, H-27), 0.94 (s, 3H, H-23), 1.00 (s, 3H, H-26), 1.65 (s, 3H, H-30), 1.82–1 [...] (2); IR (CHCl3): υmax 2,927, 2,860, 1,708, 1,459, 1,382 cm−1; 1H-NMR (CDCl3): δ 0.77 (s, 3H, H-28), 0.90 (s, 3H, H-25), 0.93 (s, 3H, H-27), 1.00 (s, 3H, H- 24), 1.04 (s, 3H, H-23), 1.22 (s, 3H, H-26), 1 [...] β-Sitosteryl-3-O-β-D-glucopyranoside (6): IR (CHCl3): υmax 3,385, 2,938, 1,458, 1,436, 1,030; 1H-NMR (CDCl3): δ 0.61-0.94 (m, 6CH3), 1.18-2.30 (m, CH, CH2), 4.34 (d, H, J = 7.5 Hz, H-1′); 3.22 (m, H-3), 3.22-3 …