has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243834841 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336613 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460635 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919986 |