Quinolon thế hệ 2 bao gồm:

Pefloxacin, norfloxacin, levofloxacin,ciproxacin

Pefloxacin, acid nalidixic, trovafloxacincin,flumequin

Acid pipemidic, ofloxacin, ciprofloxacin, acid owolinic

Norfloxacin, ofloxacin,ciprofloxacin,pefloxacin