1,6-HEXANEDIAMINE, N,N'-DIFLUOREN-9-YL-N,N'-DIMETHYL-, DIBROMIDE 1,6-Hexanediamine, N,N'-di-9H-fluoren-9-yl-N,N'-dimethyl-, dihydrobromide 63834-53-7 N,N'-Di-9H-fluoren-9-yl-N,N'-dimethyl-1,6-hexanediamine dihydrobromide