Chemistry is traditionally divided into organic and inorganic chemistry. Computed Properties of C9H7ClO, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 67713-99-9
Four series of phenylpiperazinylmethylimidazo[1,2-a]pyridine, phenylpiperazinyl-methylpyrrole, phenylpiperazinylmethylbenzofuran, and phenylpiperazinylme-thylbenzothiophene derivatives were synthesized and investigated for their in vitro binding profiles for the dopamine receptor subtypes D1, D2long, D2Short D3 and D4. All tested compounds showed selectivity towards the D4 receptor subtype. Affinity and selectivity for D4 follows the order imidazo[1,2-a]pyridine > benzofuran > benzothiophene > pyrrole derivatives. The D4-related affinity and selectivity pattern seems to be dependent on the presence of a region of negative molecular electrostatic potential below the heterocyclic moiety.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H2575O – PubChem