has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID252401628 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID426384279 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID462188382 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID348274545 |