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Home › Spiro[2H-1-benzopyran-2,4'-piperidine]-4(3H)-one derivatives, acid addition salts thereof and pharmaceutical compositions containing them

Spiro[2H-1-benzopyran-2,4'-piperidine]-4(3H)-one derivatives, acid addition salts thereof and pharmaceutical compositions containing them

US Patent 6140336 · Granted Oct 31, 2000

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