3d image of epicillin skeletal formula

epicillin penicillin aminopenicillin cell wall envelope antiseptic disinfectant sterilant antibiotic bacteria flora resistance bacterial antimicrobial bactericide pathogen gram-positive gram-negative antibiotic-resistant antibacterial agent infections microorganism strain antimicrobial chemotherapy drug preparation treatment medicine medicament medication side effect adverse action iatrogenic overdose contraindications interaction pharmacology pharmaceutics pharmaceutical pharmacodynamics pharmacokinetics molecule molecular formula skeletal structural structure 3d