112811-60-6 3-Quinolinecarboxylic acid, 1,4-dihydro-7-(3-amino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-8-methoxy-4-oxo- 7-(3-Amino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid