thymidine triphosphate ttp nucleotide molecule. dna building block. skeletal formula.

thymidine triphosphate ttp nucleotide molecule dna building block skeletal formula thymidin deoxythymidine thymine thymin ribose riboside deoxyribose deoxyribonucleic acid pyrimidine phosphate monophospate dttp carbon hydrogen oxygen nitrogen phosphorus atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector