108772-82-3 108772-83-4 (DIHYDROBROMIDE) 119184-11-1 (CONJUGATE DIACID) 2,5-Bis-[2-((2-dimethylaminoethyl)thio)pyrimidin-4-yl]thiophene AIDS-001955 AIDS001955 NSC622297 (HYROBROMIDE SALT)