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(2014/06/09)5-(benzyloxy)-2-(4-(benzyloxy)phenyl)-7-morpholino-4H-chromen-4-one
5-(benzyloxy)-2-(4-(benzyloxy)phenyl)-4-oxo-4Hchromen-7-yl4-methylbenzenesulfonate
5-hydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-yl-4-methylbenzenesulfonate
4-(5-acetoxy-4-oxo-7-(tosyloxy)-4H-chromen-2-yl)phenyl acetate
4-(5-acetoxy-7-hydroxy-4-oxo-4H-chromen-2-yl)phenylacetate