deoxycytidine dc dna building block, flat icon style. oxygen, carbon and nitrogen atoms shown as circles; hydrogen atoms omitted

abstract atoms biotech block building chemical chemistry concept cytidine cytosine deoxycytidine deoxyribonucleic dna drug engineering flat form gene genetic genome icon illustration isolated medicinal medicine molecule monomer outline pharma pharmaceutical recombinant research ribonucleic ribose science scientific shape silhouette simple structure stylized symbol therapy vector