[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][=N][=C][Branch1][Branch1][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a monohydroxypyridine that is picolinic acid in which the hydrogen at position 3 is replaced by a hydroxy group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of oligonucleotides. It has a role as a MALDI matrix material. It is a monohydroxypyridine and a monocarboxylic acid."}]