has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919653 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244861253 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460567 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336878 |