has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460620 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919934 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244933530 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336616 |