methyl (5S,6S)-5,6-isopropylidenedioxy-(7Z)-7-<(2R)-4-chloro-2-methoxymethyloxy-2-<(Z)-2-octenyl>-5-oxo-3-cyclopentenylidene>heptanoate

methyl (5S,6S)-5,6-diacetoxy-(7E)-7-<(2R)-4-chloro-2-methoxymethyloxy-2-<(Z)-2-octenyl>-5-oxo-3-cyclopentenylidene>heptanoate