has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920034 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336896 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459831 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248863068 |