has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243637329 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460706 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918902 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336331 |