has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID447222209 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID388576081 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID386265715 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID341238840 |