8-allyl-7-hydroxy-3-methoxy-2-phenyl-chromen-4-one

3-methoxy-4-oxo-2-phenyl-4H-furo[2,3-h]chromene-8-carboxylic acid

7-hydroxy-3-methoxy-4-oxo-2-phenyl-4H-chromene-8-carbaldehyde

3-methoxy-4-oxo-2-phenyl-4H-furo[2,3-h]chromene-8-carboxylic acid ethyl ester