has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID448357481 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID482406373 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID426900628 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID240442286 |