#nucleoside  a glycoside formed by partial hydrolysis of a nucleic acid
  supertype:  #glycoside  a group of compounds derived from monosaccharides
  subtype:  #adenosine  (biochemistry) a nucleoside that is present in all living cells in a combined form; a constituent of DNA and RNA and ATP and AMP
  subtype:  #thymidine__deoxythymidine__thymine_deoxyribonucleoside__thyminedeoxyribonucleoside  a nucleoside component of DNA; composed of thymine and deoxyribose
  subtype:  #deoxyadenosine  a nucleoside component of DNA; composed of adenosine and deoxyribose
  subtype:  #deoxycytidine  a nucleoside component of DNA; composed of cytosine and deoxyribose
  subtype:  #deoxyguanosine  a nucleoside component of DNA; composed of guanine and deoxyribose

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