[7-(hydroxymethyl)-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-5-yl] (E)-3-(4-hydroxyphenyl)prop-2-enoate 、
乙酸酐 生成 [7-(acetyloxymethyl)-1-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-5-yl] (E)-3-(4-acetyloxyphenyl)prop-2-enoate