has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249151586 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306279 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140873929 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200807 |