has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460486 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918923 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336971 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243997419 |