thymidine deoxythymidine nucleoside molecule. dna building block. skeletal formula.

acid atomic atoms azidothymidine azt brdu bromodeoxyuridine carbon chemical chemistry composition compound deoxyribonucleic deoxyribose deoxythymidine dna drawing edoxudine flat formula hydrogen icon iododeoxyuridine line molecular molecule monophospate nitrogen oxygen phosphate pyrimidine ribose riboside skeletal structure thymidin thymidine thymin thymine triphosphate