has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408157 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141578152 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245995362 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171016 |