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2-Hydroxy-5-methyl-7-methoxy-1-naphthalenecarboxylic acid [1aalpha-(2-oxo-1,3-dioxolan-4beta-yl)-6alpha-[(2-methylamino-2,6-dideoxy-D-galactopyranosyl)oxy]-1a,5,6,9aalpha-tetrahydro-2,3,8,9-tetradehydrocyclopenta[5,6]cyclonon[1,2-b]oxiren]-5beta-yl ester


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