subject | relation | object |
---|---|---|
pteridines | is_a | organonitrogen heterocyclic compound (CHEBI:38101) |
pteridines | is_a | heteroarene (CHEBI:33833) |
pteridines | is_a | organic heterobicyclic compound (CHEBI:27171) |
subject | relation | object |
---|---|---|
pterins (CHEBI:26375) | is_a | pteridines |