has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919026 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337144 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460671 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244133850 |