has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336435 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246936222 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460481 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919283 |