28003-35-2 AMMONIUM, (4,4'-BIPHENYLYLENEBIS(2-OXOETHYLENE))BIS(((2-HYDROXYCYCLOHEXYL)METHYL Ammonium, (4,4'-biphenylylenebis(2-oxoethylene))bis(((2-hydroxycyclohexyl)methyl)dimethyl-, dibromide, diacetate