2.7.1.118 9-(2-Hydroxyethoxymethyl)guanino monophosphate i.e. acyclo-GMP 97676 2.7.1.118 9-beta-D-Arabinofuranosyladenine 5'-monophosphate - 43676 2.7.1.118 EDTA - 21 2.7.1.118 N-ethylmaleimide - 49 2.7.1.118 p-chloromercuribenzoate - 43