has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918982 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337016 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245198284 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460037 |