has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID349888315 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID375108422 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID375956366 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID472937701 |