has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336697 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248126384 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459832 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919550 |