ceftazidime cephalosporin antibiotic drug molecule. atoms are represented as spheres with conventional color coding: hydrogen (

ceftazidime ceftazidim antibiotic antibacterial bacteria infection bacterial cephalosporin beta lactamase lactam extended spectrum esbl melioidosis pseudomonas cystic fibrosis hydrogen carbon oxygen nitrogen sulfur disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular