3,5-diacetoxy-9-[4-allyloxy-2,5,8-tris-methoxymethoxy-3,7-dimethyl-6-(2-trimethylsilanyl-ethoxycarbonylamino)-naphthalen-1-yl]-4,6,8-trimethyl-9-oxo-2-[2,2,5-trimethyl-6-(1-methyl-2-oxo-ethyl)-[1,3]dioxan-4-yl]-non-7-enoic acid allyl ester

8-(allyloxy)-5-((4S,5S,6R,7R,8R,E)-5,7-diacetoxy-9-(allyloxy)-8-((4R,5R,6R)-6-((R,Z)-5-methoxy-5-oxopent-3-en-2-yl)-2,2,5-trimethyl-1,3-dioxan-4-yl)-2,4,6-trimethyl-9-oxonon-2-enoyl)-1,4,6-tris(methoxymethoxy)-3,7-dimethyl-2-naphthoic acid