ethyl 4-hydroxy-7-(((2R,3R,4R,5R)-5-methoxy-6,6-dimethyl-4-(((prop-2-yn-1-yloxy)carbamoyl)oxy)-3-((tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-8-methyl-2-oxo-2H-chromene-3-carboxylate

(+)-L-noviose

ethyl 7-hydroxy 8-methyl-2-oxo-4-(phenyl-methoxy)-2H-1-benzopyran-3-carboxylate

ethyl 4-hydroxy-8-methyl-2-oxo-7-[(tetrahydro-2H-pyran-2-yl)oxy]-2H-1-benzopyran-3-carboxylate

ethyl 7-((6-deoxy-5-C-methyl-4-O-methyl-alpha-L-lyxo-hexopyranosyl)-oxy)-8-methyl-2-oxo-4-(phenylmethoxy)-2H-1-benzopyran-3-carboxylate