has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242869551 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918955 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336712 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460072 |