organic compounds
Open access
The asymmetric unit of the title compound, C15H13FN2O, contains two independent molecules with different conformations; the two aromatic rings in the independent molecules form dihedral angles of 85.3 (2) and 10.0 (2)°. In the crystal, N—HO hydrogen bonds link the molecules into chains along [100].
organic compounds
Open access
In the title compound, C9H7NO6, the dihedral angles between the benzene ring and its three substituents are 29.99 (8)° for the nitro, 67.09 (8)° for the carboxy and 32.48 (10)° for the methoxycarbonyl group. In the crystal, one classical O—HO and two nonclassical C—HO contacts link adjacent molecules, forming a three-dimensional structure.