has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID488116770 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID408158706 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID402952659 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID482399443 |