has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248950865 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919086 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336482 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460243 |