has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171068 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577230 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408622 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249335367 |