4-Thienyl-2-SEtNMe2-Pyrimidine 83726-78-7 83726-79-8 (HYDROGEN BROMIDE) AIDS-001923 AIDS001923 Ethanamine, N,N-dimethyl-2-[[4-(2-thienyl)-2-pyrimidinyl]thio]- N,N-dimethyl-2-[[4-(2-thienyl)pyrimidine-4'-yl]thio]ethylamine - unfused bicyclic pyrimidine derivative