thymine molecular structure, 3d model molecule, nucleobases, structural chemical formula view from a microscope

thymine nucleobases pyrimidinediones 5methyluracil molecule molecular structure chemical formula c5h6n2o2 3d model atom chemistry science base element pyrimidine rna dna medicine pharmacy biochemistry skeletal nitrogen nucleobase atomic structural substance organic nucleotide acid bond carbon genetic laboratory oxygen scientific hydrogen metabolism metabolic synthesis biology