294203-79-5 4H-1-Benzopyran-4-one, 2-[3,4-bis(phenylmethoxy)phenyl]-3-[[6-deoxy-2,3,4-tris-O-(phenylmethyl)-α-L-mannopyranosyl]oxy]-2,3-dihydro-5,7-bis(phenylmethoxy)-, (2R,3R)-

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