has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336570 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459880 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248163277 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918889 |