3813653 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3813653 > 2 > ChemIDplus > 136198191 > 136198-19-1 N2-Isobutyryl-5'-O-(4,4'-dimethoxy)trityl-3'-O-triisopropylsilyl-2'-deoxyguanosine > 136198-19-1 > 136198191 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=136198191 $$$$