1,8-Naphthyridine-3-carboxylic acid, 7-(6-amino-3-azabicyclo(3.1.0)hex-3-yl)-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-, (1alpha,5alpha,6alpha)-, monomethanesulfonate 146836-84-2 CP 99219 Trovafloxacin