has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919049 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460501 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244746254 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337044 |