(6R,7S,8R,16R,17S,18R)-7,17-bis(ethenyl)-8,18-bis[[(2S,3R,4R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]-3,9,13,19-tetraoxatricyclo[14.4.0.06,11]icosa-1(20),10-diene-2,12-dione 、
甲醇 、
硫酸 生成
(3R*,4R*,4aS*,11R*,12aS*)-4,12-diethenyl-4,4a,5,6,12,12a,13,14-octahydro-3,11-dimethoxy-3H,8H,11H,16H-dipyrano<3,4-c:3',4'-i><1,7>-dioxacyclododecene-8,16-dione