3-(4,8,8-trimethyl-2-oxo-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-3-yl)propanoic acid

3-benzyl-7-hydroxy-4,8-dimethyl-2H-chromen-2-one

methyl (7,8-dihydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate

3-hexyl-7-hydroxy-4-methyl-2H-chromen-2-one

7,8-dihydroxy-3,4-dimethyl-2H-chromen-2-one

{[3-(4-chlorophenyl)-2-oxo-2H-chromen-7-yl]oxy}acetic acid

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

2-[(4-butyl-6-chloro-2-oxo-2H-chromen-7-yl)oxy]propanoic acid

2-[(7-methyl-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-9-yl)oxy]propanoic acid

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

3-(4-氧代-1,2,3-苯并三嗪-3(4H)-基)丙酸, 3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanoic acid