Chemistry is traditionally divided into organic and inorganic chemistry. Computed Properties of C9H7NO, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 1532-72-5
A Novel Ethynylation of Pyridines by Reissert-Henze Type Reaction
Reaction of N-benzoyloxypyridinium chloride, Reissert-Henze salt, with silver acetylide gave the pyridine ethynylated selectively at 2-position.The reaction is applicable to various substituted pyridines and pyridine homologs.
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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem