Organic acids
Lipids
Carbohydrates
Nucleic acids
Peptides
Vitamins and cofactors
Steroids
Hormones and transmitters
Antibiotics
beta-Lactams [Fig]
Aminoglycosides [Fig]
Polyketides and nonribosomal peptides [Fig]
Quinolones [Fig]
4-Quinolones
Fluoroquinolones
C06687 Norfloxacin
Others [Fig]