methyl (R,4Z,7Z,11E)-10-((tert-butyldiphenylsilyl)oxy)-13-oxotrideca-4,7,11-trienoate

methyl (4Z,7Z,10R,11E,13E,17R,19Z)-10,17-dihydroxydocosa-4,7,11,13,19-pentaen-15-ynoate