has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460657 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919977 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244500877 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337236 |