(1S,2S,4S,8R,10R,14S,17R,18R)-17-[(2S,3R)-3,6-dihydroxy-6-methylheptan-2-yl]-14-hydroxy-2,6,6,18-tetramethyl-5,7-dioxapentacyclo[11.7.0.02,10.04,8.014,18]icos-12-en-11-one 、
alpha-亚麻酸酐 、
吡啶 生成 [(2S,3R)-6-hydroxy-2-[(1S,2S,4S,8R,10R,14S,17R,18R)-14-hydroxy-2,6,6,18-tetramethyl-11-oxo-5,7-dioxapentacyclo[11.7.0.02,10.04,8.014,18]icos-12-en-17-yl]-6-methylheptan-3-yl] (9E,12E,15E)-octadeca-9,12,15-trienoate