has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID453345811 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID310965523 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID323721720 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID393915921 |