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  • C07D473/00
    		•  Heterocyclic compounds containing purine ring systems [2] HB CC 4C049
  • C07D473/02
    		•  .with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 [2] HB CC 4C049
  • C07D473/04
    		•  ..two oxygen atoms [2] HB CC 4C049
  • C07D473/06
    		•  ...with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 [2] HB CC 4C049
  • C07D473/08
    		•  ....with methyl radicals in positions 1 and 3, e.g. theophylline [2] HB CC 4C049
  • C07D473/08,301
    		•  .....Manufacturing method HB CC 4C049
  • C07D473/10
    		•  ....with methyl radicals in positions 3 and 7, e.g. theobromine [2] HB CC 4C049
  • C07D473/10,301
    		•  .....Manufacturing method HB CC 4C049
  • C07D473/12
    		•  ....with methyl radicals in positions 1, 3, and 7, e.g. caffeine [2] HB CC 4C049
  • C07D473/14
    		•  ....with two methyl radicals in positions 1 and 3 and two methyl radicals in positions 7, 8, or 9 [2] HB CC 4C049
  • C07D473/16
    		•  ..two nitrogen atoms [2] HB CC 4C049
  • C07D473/18
    		•  ..one oxygen and one nitrogen atom, e.g. guanine [2] HB CC 4C049
  • C07D473/20
    		•  ..two sulfur atoms [2] HB CC 4C049
  • C07D473/22
    		•  ..one oxygen and one sulfur atom [2] HB CC 4C049
  • C07D473/24
    		•  ..one nitrogen and one sulfur atom [2] HB CC 4C049
  • C07D473/26
    		•  .with an oxygen, sulfur, or nitrogen atom directly attached in position 2 or 6, but not in both [2] HB CC 4C049
  • C07D473/28
    		•  ..Oxygen atom [2] HB CC 4C049
  • C07D473/30
    		•  ...attached in position 6, e.g. hypoxanthine [2] HB CC 4C049
  • C07D473/32
    		•  ..Nitrogen atom [2] HB CC 4C049
  • C07D473/34
    		•  ...attached in position 6, e.g. adenine [2] HB CC 4C049
  • C07D473/34,301
    		•  ....Manufacturing method of adenine HB CC 4C049
  • C07D473/34,311
    		•  ....6-N-non-substituted derivative HB CC 4C049
  • C07D473/34,321
    		•  .....New substance (excluding the intermediate) HB CC 4C049
  • C07D473/34,325
    		•  ......antilipemic drug, anticholesterol drug HB CC 4C049
  • C07D473/34,351
    		•  ....6-N-substituted derivative HB CC 4C049
  • C07D473/34,361
    		•  .....New substance (excluding the intermediate) HB CC 4C049
  • C07D473/36
    		•  ..Sulfur atom [2] HB CC 4C049
  • C07D473/38
    		•  ...attached in position 6 [2] HB CC 4C049
  • C07D473/40
    		•  .with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6 [2] HB CC 4C049
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