CAS No 71277-78-6 , (2S,3S,4S,5R,6S)-6-[[(3S,4aR,6aR,6bS,8aS,11S,12aR,14aR,
14bS)-11-carboxy-4,4,6a,6b,8a,11,14b-heptamethyl-14-oxo-2,3,4a,5,6,7,8,
9,10,12,12a,14a-dodecahydro-1H-picen-3-yl]oxy]-5-[(1R,2R,3S,4R,
5S)-5-carboxy-2,3,4-trihydroxycyclohexyl]oxy-3,
4-dihydroxyoxane-2-carboxylic acid