has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200801 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249135678 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140873984 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306343 |