2H-Pyran-2-acetic acid,a,5-diethyl-6-[(1S,2S,3S,5R)-5-[(2S,2'R,3'R,4S,5S,5'R)-5'-ethyloctahydro-2'-hydroxy-5'-[(1S)-1-hydroxybutyl]-2,3',4-trimethyl[2,2'-bifuran]-5-yl]-2-hydroxy-1,3-dimethyl-4-oxoheptyl]tetrahydro-2,4-dihydroxy-3-methyl-,(aS,2R,3S,4R,5R,

(2S)-2-[(2R,3S,4R,5R,6R)-5-ethyl-6-[(2R,3R,4S,6R)-6-[(2R,3R,5S)-5-[(2R,3R,5S)-5-ethyl-2-hydroxy-5-[(1S)-1-hydroxybutyl]-3-methyloxolan-2-yl]-3,5-dimethyloxolan-2-yl]-3-hydroxy-4-methyl-5-oxooctan-2-yl]-2,4-dihydroxy-3-methyloxan-2-yl]butanoic acid