piperacillin antibiotic drug molecule. 3d rendering. atoms are represented as spheres with conventional color coding: hydrogen .

piperacillin antibiotic drug molecule 3d rendering atoms are represented as spheres conventional color coding hydrogen blactam betalactam antibacterial gram negative pseudomonas pneumonia disease therapy medicine medicinal pharmacology pharmacy pharmaceutical pharma treatment chemical chemistry composition atomic model molecular illustration white carbon grey nitrogen blue oxygen red sulfur yellow