has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171192 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408161 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578144 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246209813 |