has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336341 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460522 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919257 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248298075 |