| 摘要 |
<p>A stabilized injection comprising (±)-6-chloro-3,4-dihydro-4-methyl-3-oxo-N-quinuclidinyl-2H-1,4-benzoxazine-8-carboxamide monohydrochloride as the active ingredient and containing a light stabilizer. The coloration can be inhibited by using at least one light stabilizer selected from the group consisting of sulfurous acid and salts thereof, ascorbic acid salts, L-cystein and acid-addition salts thereof, thioglycolic acid and metallic salts thereof, ethylenediamine, salicyclic acid and salts thereof, and phenol and derivatives thereof.</p> |
