2018/10/27 Saturday Stigmasterol 豆甾醇 U mical i(pm 13C NMR 带月 豆甾醇 Stigmasterol 182 1 2018/10/27 Saturday 1 7 6 5 4 3 2 1 Chemical Shift (ppm) Chloroform-d 6.5 6.4 6.3 6.2 Chemical Shift (ppm) 5.20 5.15 5.10 Chemical Shift (ppm) 4.00 3.95 3.90 Chemical Shift (ppm) H3C HO CH3 CH3 OH H H CH3 CH3 H3C OH Stigmasterol 181 豆甾醇 H3C HO CH3 CH3 OH H H CH3 CH3 H3C OH Stigmasterol 182