has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171204 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577749 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245239114 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408528 |