has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460036 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336541 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919457 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248531649 |