has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140873892 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200767 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306226 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244451174 |