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(2E,4E,8xi)-1-amino-8,11-anhydro-1,2,3,4,5,7-hexadeoxy-11-[(1E,3E,5E)-7-(2-hydroxy-1-methyl-4-oxo-1,4-dihydropyridin-3-yl)-6-methyl-7-oxohepta-1,3,5-trien-1-yl]-5,7-dimethyl-6-O-methyl-L-altro-undeca- related products: