3735477 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3735477 > 2 > ChemIDplus > 021052288 > 21052-28-8 EINECS 244-172-7 Guanosine, cytidylyl-(3'.5')-, ammonium salt > 21052-28-8 > 021052288 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=021052288 $$$$