has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238506700 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140443854 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243108441 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID402828099 |