1033766-70-9 Olean-12-en-28-oic acid, 2,3,16,23-tetrahydroxy-, O-6-deoxy-α-L-mannopyranosyl-(1→3)-O-β-D-xylopyranosyl-(1→4)-O-2-O-acetyl-6-deoxy-α-L-mannopyranosyl-(1→2)-6-deoxy-4-O-[(3S)-3-[(3S)-3-[(3S)-3-[(3S)-3-hydroxy-1-oxobutoxy]-1-oxobutoxy]-1-oxobutoxy]-1-oxobutyl]-β-D-galactopyranosyl ester, (2β,3β,4α,16α)-

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