All

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 D13 Nucleic Acids, Nucleotides, and Nucleosides D009706 +
  D13.570 Nucleosides D009705 +
   D13.570.583 Purine Nucleosides D011684 +
    D13.570.583.454 Guanosine D006151 +
      D13.570.583.454.240 Deoxyguanosine D003849 
      D13.570.583.454.500 Nucleoside Q D009704 
 D13 Nucleic Acids, Nucleotides, and Nucleosides D009706 +
  D13.570 Nucleosides D009705 +
   D13.570.800 Ribonucleosides D012263 +
    D13.570.800.453 Guanosine D006151 +
      D13.570.800.453.500 Nucleoside Q D009704