[2R-[2?(1S*,2S*,3S*),3a?,6?(E),7?,7a?]]-9-[[4-[2-(1,3-Dihydroxy-2-methylbutyl)hexahydro-7-hydroxy-4H-furo[3,2-c]pyran-6-yl]-3-methyl-1-oxo-2-butenyl]oxy]nonanoic Acid Monosodium Salt;
[2R-[2?(1S*,2S*,3S*),3a?,6?(E),7?,7a?]]-9-[[4-[2-(1,3-Dihydroxy-2-methylbutyl)hexahydro-7-hydroxy-4H-furo[3,2-c]pyran-6-yl]-3-methyl-1-oxo-2-butenyl]oxy]nonanoic Acid Monosodium Salt;