Core structure of the cephalosporins. Core structure of the<unk> ycins.<unk> s are a sub-group of β-lactam antibiotics including cephalosporins and<unk> ycins. It is one of the most common 4-membered ring heterocycle. Produced by actinomycetes,<unk> ycins were found to display antibacterial activity against a wide range of bacteria, including those resistant to penicillin and cephalosporins. The antimicrobial properties of<unk>  include the attachment to certain penicillin-binding proteins that are involved in the production of cell walls of bacteria.
Cephem
QazCovid-in
Clinatec
Rubitecan
Sepsivac
Cevira
Keldur
Drusen