has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919271 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460015 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244440344 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336952 |