| 2-oxo-2H-1-Benzopyran-3-carboxylic acid |
| Coumarin-3-carboxylic acid |
| 2-Oxobenzopyran-3-carboxylic acid |
| 2-oxo-2h-1-benzopyran-3-carboxylic aci |
| 3-carboxycoumarin |
| g 1 (rodenticide) |
| 2-Oxo-2H-chromene-3-carboxylic acid |
| 2H-1-Benzopyran-3-carboxylic acid,2-oxo- |
| 2-Oxo-2H-1-benzopyran-3-carboxylic acid |
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