PubChemRDF-kg Description The PubChem Compound, Substance, BioAssay databases in RDF format. Homepage: https://pubchem.ncbi.nlm.nih.gov/docs/rdf https://pubchem.ncbi.nlm.nih.gov/docs/rdf-ftp https://ftp.ncbi.nlm.nih.gov/pubchem/RDF/