has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336327 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243221114 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459917 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918979 |