guanosine-5’-o-(1-thiotriphosphate),spisomer(sp-gtp-@-s),sodiumsalt GUANOSINE-5'-O-(1-THIOTRIPHOSPHATE), SP-ISOMER SODIUM SALT GUANOSINE-5'-O-(1-THIOTRIPHOSPHATE), RP-ISOMER SODIUM SALT RP-GTP-ALPHA-S SODIUM SALT SP-GTP-ALPHA-S SODIUM SALT Guanosine-5''-O-(1-thiotriphosphoric acid), Sp-isomer GTPαS (aqueous solution) Guanosine, 5'→P''-ester with [P''(S)]-thiotriphosphoric acid ((HO)2P(O)OP(O)(OH)OP(O)(OH)(SH)) (9CI)