(1S,4S)-2-(4-fluorobenzyl)-2,5-diazabicyclo[2.2.1]heptane
(1'S,4'S)-7-(2',5'-diazabicyclo<2.2.1>heptan-2'-yl)-1-(2,4-difluorophenyl)-1,4-dihydro-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid hydrochloride
(1'S,4'S)-7-(2',5'-diazabicyclo<2.2.1>heptan-2'-yl)-1-(2,4-difluorophenyl)-1,4-dihydro-6-fluoro-4-oxoquinoline-3-carboxylic acid hydrochloride
(1S,4S)-2,5-bis(phenylazo)-2,5-diazabicyclo<2.2.1>heptane
(1S,4S)-2,5-bis<(4-nitrophenyl)azo>-2,5-diazabicyclo<2.2.1>heptane