[New  -lactam systems from penicillins].
D000900:Anti-Bacterial Agents / Q000138:chemical synthesis*; D003500:Cyclization; D007202:Indicators and Reagents; D007769:Lactams / Q000138:chemical synthesis; D008722:Methods; D010084:Oxidation-Reduction; D010406:Penicillins; D012545:Schiff Bases / Q000138:chemical synthesis
D000900:Anti-Bacterial Agents; D007202:Indicators and Reagents; D007769:Lactams; D010406:Penicillins; D012545:Schiff Bases
Neue  -Lactamsysteme aus Penicillinen.