has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID327882771 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239851367 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID450434454 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID393331938 |