has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID482384332 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID327484357 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140901420 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID228840668 |