ETH 9009;CHLORIDE IONOPHORE II SELECTOPHORE;4,5-dimethyl-3,6-dioctyloxy-o-phenylene-bis(mercurytrifluoroacetate);ETH 9009, 4,5-Dimethyl-3,6-dioctyloxy-o-phenylene-bis(mercurytrifluoroacetate);Chloride ionophore II Selectophore(TM), function tested;Mercury, [m-[4,5-dimethyl-3,6-bis(octyloxy)-1,2-phenylene]]bis(trifluoroacetato-kO)di- (9CI);[3,4-DIMETHYL-2,5-BIS(OCTYLOXY)-6-{[(TRIFLUOROACETYL)OXY]MERCURIO}PHENYL]MERCURIO 2,2,2-TRIFLUOROACE;CHLORIDE IONOPHORE II