has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920039 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336417 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460447 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246351563 |