has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459931 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337119 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245143452 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919573 |