has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID403297325 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233774176 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246387747 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID142901670 |