has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243364031 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239171098 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141577089 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391407799 |