L-Alanyl-N-(3-(6-carboxy-8-(2,4-difluorophenyl)-3-fluoro-5,8-dihydro-5-oxo-1,8-naphthridin-2-yl)-3-azabicyclo(3.1.0)hex-6-yl)-L-alaninamide (1alpha,5alpha,6alpha)-, monomethanesulfonate Trovan preservative free Trovan-iv Unii-2ixx802851 Alatrofloxacin mesylate [usan] Cp 116,517 L-Alaninamide, L-alanyl-N-(3-(6-carboxy-8-(2,4-difluorophenyl)-3-fluoro-5,8-dihydro-5-oxo-1,8-naphthridin-2-yl)-3-azabicyclo(3.1.0)hex-6-yl)-, (1alpha,5alpha,6alpha)-, monomethanesulfonate CP 116