has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919003 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243674215 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337260 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460310 |