[結構式][主要物性]分子式C21H22O9;分子量418.39。熔點148~149℃。:359,298,269。:3400~3500,1630,1615,1585,1450。MS(EI)m/z:418(M+),256(M+-glu,100%),227(256-CO)。1HNMR(CD3OD-D2O)δ:3.57(1H,dd,H-10),4.55(1H,d,J=2.1Hz,H-1),6.89(2H,m,H-2,4),7.06(2H,m,H-5,7),7.52(1H,m,H-6)。13CNMR(CD3 (共 1294 字) [閱讀本文] >>