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

(3R,4S,5R,6R)-6-((3-acetyl-4-hydroxy-8-methyl-2-oxo-2H-chromen-7-yl)oxy)-5-hydroxy-3-methoxy-2,2-dimethyltetrahydro-2H-pyran-4-yl (prop-2-yn-1-yloxy)carbamate