temozolomide cancer chemotherapy drug molecule. skeletal formula.

temozolomide cancer chemotherapy drug molecule skeletal formula temozolomid melanoma skin tumor dermatology dermatologist oncology oncologist alkylating astrocytoma brain glioblastoma dacarbazine dna guanine purine glioma antineoplastic genotoxic teratogenic carbon hydrogen oxygen nitrogen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector