has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337283 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244297900 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460316 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919067 |