has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919635 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460001 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248361180 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336344 |