144085-64-3 2,2'-(2,4-Pyrimidinediylbis(3,1-phenylenethio))bis(N,N-dimethylethanamine)trihydrobromide Ethanamine, 2,2'-(2,4-pyrimidinediylbis(3,1-phenylenethio))bis(N,N-dimethyl-, trihydrobromide