CAS No 36505-48-3 , 2H-Pyran-2-acetic acid,6-[(2R,3S)-3-[(2R,5S,6R)-6-[[(2R,3S,5R,6R)-6-[(R)-[(2S,2'R,3'R,5S,5'S)-5'-[(2R,5R,6S)-6-ethyltetrahydro-5-hydroxy-5-methyl-2H-pyran-2-yl]octahydro-2'-hydroxy-2,3',5'-trimethyl[2,2'-bifuran]-5-yl]hydroxymethyl]tetrahydro-6-hydroxy-3,5-dimethyl-2H-pyran-2-yl]methyl]tetrahydro-6-hydroxy-5-methyl-2H-pyran-2-yl]-2-hydroxybutyl]tetrahydro-a,3-dimethyl-, (aR,2S,3S,6R)-