has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336358 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459764 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919631 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244343900 |