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2-Hydroxy-7-methoxy-5-methyl-1-naphthalenecarboxylic acid [[(7R)-2-(2-oxo-1,3-dioxolan-4-yl)-4-hydroxy-7beta-(2-methylamino-2-deoxy-alpha-D-fucopyranosyloxy)-9beta-[(1-methyl-2-hydroxypropyl)thio]-4,7,8,9-tetrahydrocyclopenta[f][2]benzopyran]-8alpha-yl] e


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