has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337128 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460590 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919609 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246550902 |