word mesh match name chebi GDP NA GDP 5'-O-[(phosphonatooxy)phosphinato]guanosine chebi:58189 GTP NA GTP GTP chebi:37565 GTP NA GTP GTP chebi:37565 MEK NA MEK butan-2-one chebi:28398 GDP NA GDP 5'-O-[(phosphonatooxy)phosphinato]guanosine chebi:58189