| 英文名称: | | n-(1-(2-(4-ethyl-4,5-dihydro-5-oxo-1h-tetrazol-1-yl)ethyl)-3-methyl-acetamid | | monohydrochloride, cis-(+-)-4-pipe ridinyl)-n-(2-fluorophenyl)-2-methoxy | | a 3331 | | brifentanil hydrochloride | | n-(1-(2-(4-ethyl-4,5-dihydro-5-oxo-1h-tetrazol-1-yl)ethyl)-3-methyl-4-pipe ridinyl)-n-(2-fluorophenyacetamid |
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