has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392200757 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID238306235 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID140873964 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242966884 |