5-hydroxy-2,2-dimethyl-10-propyl-6-propionyl-2H,8H-pyrano[2,3-f]chromen-8-one

5-Hydroxy-6-((2R,3S)-3-hydroxy-2-methyl-butyryl)-2,2-dimethyl-10-propyl-2H-pyrano[2,3-f]chromen-8-one

5-hydroxy-6-((2R,3R)-3-hydroxy-2-methylbutanoyl)-2,2-dimethyl-10-propyl-2H,8H-pyrano[2,3-f]chromen-8-one