血红素酸

2,5-二羟基-4-甲基-2,5-二氧代-3-呋喃丙酸

3-(7-hydroxy-4,8-dimethyl-2-oxochromen-3-yl)propanoic acid

3-(7-hydroxy-4-methyl-2-oxochromen-3-yl)propanoic acid

3-(7-Hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)-propionsaeure-aethylester