has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460311 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920003 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249319650 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336494 |