has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337179 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460691 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919100 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242672595 |