has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246679059 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336679 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460246 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918903 |