has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919263 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460254 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337157 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244190747 |