环丙基萘啶羧酸乙酯

1-cyclopropyl-6-fluoro-1,4-dihydro-7-hydroxy-4-oxo-1,8 -naphthyridine-3-carboxylic acid

4-[6-(acetylcyclopropylamino)-3-fluoro-2-pyridinyl]-1-piperazine-carboxylic acid,ethyl ester

2,6-二氯-5-氟烟酰乙酸乙酯

3-cyclopropylamino-2-(2,6-dichloro-5-fluoropyridine-3-carbonyl) acrylate