has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID250135109 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID431620781 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID482396260 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID462232612 |