has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID349796326 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID468429390 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID441177313 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID428970832 |