3815886 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > <PUBCHEM_SUBSTANCE_ID> 3815886 > <PUBCHEM_SUBSTANCE_VERSION> 2 > <PUBCHEM_EXT_DATASOURCE_NAME> ChemIDplus > <PUBCHEM_EXT_DATASOURCE_REGID> 147244313 > <PUBCHEM_SUBSTANCE_SYNONYM> 147244-31-3 N2-Isobutyryl-3',5'-O-bis(triisopropylsilyl)-2'-deoxyguanosine-N7-cyanoborane > <PUBCHEM_GENERIC_REGISTRY_NAME> 147244-31-3 > <PUBCHEM_XREF_EXT_ID> 147244313 > <PUBCHEM_EXT_DATASOURCE_URL> http://chem.sis.nlm.nih.gov/chemidplus/ > <PUBCHEM_EXT_SUBSTANCE_URL> http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=147244313 $$$$