dactinomycin cancer chemotherapy drug, structural chemical formula

dactinomycin structure formula chemistry compound molecule molecular composition atoms skeletal cancer tumor actinomycin polypeptide antibacterial actinomycines anticcancer dactinomycine radiosensitivity radiosensitizer radiotherapy chemotherapy sarcoma antibiotic medicine blue pink treatment pharmacy science pharma generic product medicinal pharmacology pharmaceutical supplement steroid medical nitrogen paclitaxel cisplatin methotrexate mitoxantrone mitomycin oxygen carbon cyclophosphamide drug structural chemical background