has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200773 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246108632 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306303 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140873895 |