Chemistry is traditionally divided into organic and inorganic chemistry. Computed Properties of C9H8N2, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 23687-25-4
SUBSTITUTED BICYCLIC AROMATIC CARBOXAMIDE AND UREA COMPOUNDS AS VANILLOID RECEPTOR LIGANDS
Substituted bicyclic aromatic carboxamide and urea compounds as vanilloid receptor ligands, pharmaceutical compositions containing these compounds, and a method of using these compounds in the treatment and/or inhibition of pain and further diseases and/or disorders mediated at least in part via the vanilloid receptor 1 (VR1/TRPV1)
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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem