110600-97-0
ethyl 1-cyclopropyl-6-fluoro-1,4-dihydro-7-nitro-4-oxoquinoline-3-carboxylate
→
~81%
110600-98-1
ethyl 7-amino-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate