has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919052 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336573 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246130036 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459971 |