1-Propanol, 3,3'-(methylimino)bis-, dimethanesulfonate (ester), (1,1'-biphenyl)-4,4'-disulfonate (1:1) (salt) 36148-80-8 838 D 838-D N-Methyl-N,N-bis(3-methylsulfonyloxypropyl)amine 4,4'-biphenyldisulfonate N-Methyl-bis(3-mesyloxypropyl)aminobiphenyl-4,4'-sulfonate NSC 140115