has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919256 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337062 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248584428 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459983 |