has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460677 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919858 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243118980 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336428 |