74038-05-4 N,N'-Bis(2-(1,3-dithiolanylidene)) piperazinium dibromide N,N'-Bis(2-(1,3-dithiolanylidene))piperazinium dibromide NSC 191956 Piperazinium, 1,4-bis(1,3-dithiolan-2-ylidene)-, dibromide (9CI) Piperazinium, N,N'-bis(2-(1,3-dithiolanylidene))-, dibromide