Synonyms: 8-bromo-?phenyl-1,n?ethenoguanosine-3’,5’-cyclicmonophosphorothioate,sp-isomer(sp-8-br-pet-cg;8-bromo-beta-phenyl-1,n(2)-ethenoguanosine3’,5’-cyclicmonophosphorothioate;SP-8-BR-PET-CGMPS, NA;SP-8-BR-PET-CGMPS SODIUM SALT;GUANOSINE 3',5'-CYCLIC MONOPHOSPHOROTHIOATE, BETA-PHENYL-1,N2-ETHENO-8-BROMO-, SP-ISOMER, SODIUM SALT;BETA-PHENYL-1,N2-ETHENO-8-BROMOGUANOSINE-3',5'-CYCLIC MONOPHOSPHOROTHIOATE, SP-ISOMER SODIUM SALT