The cephalosporin C nucleus (7-aminocephalosporanic acid) and some of its derivatives.
D000900:Anti-Bacterial Agents / Q000737:chemistry*; D002467:Cell Nucleus; D002511:Cephalosporins
D000900:Anti-Bacterial Agents; D002511:Cephalosporins; C025163:cephalosporin C; C030735:7-aminocephalosporanic acid
ANTIBIOTICS/chemistry