has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577324 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408509 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171174 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248347349 |