benzoxazole,fluoro,methyl,piperazinyl,1-piperazin,1-piperazinyl,benzoxazol,oxazole,oxazole,
1-Piperazin
93107-08-51-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid hydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid