1,2-Ethanediamine, N,N-dimethyl-N'-(2-nitro-3-thienyl)-, monohydrochloride 122777-86-0 3-Thiophenamine, N-(2-(dimethylamino)ethyl)-2-nitro-, monohydrochloride N,N-Dimethyl-N'-(2-nitro-3-thienyl)-1,2-ethanediamine hydrochloride