has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245531314 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391408409 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577460 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171213 |