1,3-dihydroxy-6-methyl-9H-xanthen-9-one

2-[(7-methyl-2-oxo-4-propyl-2H-chromen-5-yl)oxy]propanoic acid

7,8-dihydroxy-4-propyl-2H-chromen-2-one

3-hexyl-7,8-dihydroxy-4-methyl-2H-chromen-2-one

tert-butyl N~5~-[(4-methylphenyl)sulfonyl]-L-ornithinate

(4,9-dimethyl-7-oxo-3-phenyl-7H-furo[2,3-f]chromen-8-yl)acetic acid

2-[(8-methyl-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]propanoic acid

[2-(2-thienyl)-1,3-thiazol-4-yl]acetic acid

[(5-hydroxy-2,2-dimethyl-4-oxo-3,4-dihydro-2H-chromen-7-yl)oxy]acetic acid

trans-4-[(4-oxoquinazolin-3(4H)-yl)methyl]cyclohexanecarboxylic acid

8-hexyl-7-hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-one