has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919691 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459859 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337010 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248820734 |