has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200828 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140874011 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242665450 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306316 |