1,8-Naphthyridine-3-carboxylic acid, 1,4-dihydro-7-(3-amino-1-pyrrolidinyl)-1-(1,1-dimethylethyl)-6-fluoro-4-oxo-, stereoisomer 1,8-Naphthyridine-3-carboxylic acid, 7-(3-amino-1-pyrrolidinyl)-1-(1,1-dimethylethyl)-6-fluoro-1,4-dihydro-4-oxo- 146567-18-2 BMY 40124