1-cyclopropyl-6-fluoro-7-(3-dimethylamiono-3-methyl-1-azetidinyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylicacid 
 
132771-10-9 
 
93107-30-3 
 
1-cyclopropyl-6-fluoro-7-(3-dimethylamino-3-methyl-1-azetidinyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylicacid 
[1]Patent:US5393758,1995,A