has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430148 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248837828 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714722 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233599947 |