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Process for the preparation of N-[(1-.sup.n butyl-4-piperidyl)methyl]-3,4-dihydro-2H-[1,3]oxazino[3,2-a] indole-10-carboxamide and salts and intermediates in the process

US Patent 6100397 · Granted Aug 8, 2000

Estimated economic value: $14,296,000

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