dactinomycin (actinomycin d) cancer chemotherapy drug molecule. atoms are represented as spheres with conventional color coding:

dactinomycin dactinomycine actinomycin actinomycines polypeptide antibiotic streptomyces soil bacteria bacterium infection antibacterial cancer anticcancer radiosensitizer radiotherapy radiosensitivity tumor sarcoma chemotherapy disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular