has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337267 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460214 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243769790 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919941 |