ampicillin drug molecule. it is beta-lactam antibiotic. structural chemical formula on the dark blue background

allergic allergy ampicillin antibacterial antibiotic antimicrobial atom bacteria blue carbon chemical chemistry clavulanic compound dark disease drug education formula fungi fungus hydrogen illustration infection lactam lactamase microbe microbiology microorganism model mold molecule nitrogen organic oxygen penicillin penicillium peptidoglycan pharmaceutical science staphylococcus structural structure study sulphur transpeptidase vector white