methyl (2Z,4E,6R,7S,9S,10Z,12R,13S,14S,16S,19R,20R,21S,22S,23Z)-7,9,13,19-tetrahydroxy-21-(4-methoxybenzyloxy)-6,12,14,16,20,22-hexamethylhexacosa-2,4,10,23,25-pentaenoate

(3Z,5E,7R,8S,10S,11Z,13R,14S,15S,17S,20R,21R,22S)-8,10,14,20-tetrakis(tert-butyldimethylsilyloxy)-22-[(S,Z)-hexa-3,5-dien-2-yl]-7,13,15,17,21-pentamethyloxacyclodocosa-3,5,11-trien-2-one