has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578120 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171131 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245063248 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408033 |