has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460156 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919576 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243395349 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336703 |