127914-13-0 N-Methyl-3-((2-(phosphonothio)ethyl)amino)propanimidamide hydrate (1:3) Propanimidamide, N-methyl-3-((2-(phosphonothio)ethyl)amino)-, hydrate (1:3) S-(2-((2'-(N-Methylamidino)ethyl)amino)ethyl)phosphorothioic acid trihydrate