has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337297 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460542 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919106 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245529327 |