4-Chloromercuribenzenesulfonate 554-77-8 AI3-51823 Chloromercuriphenylsulfonate Mercurate(1-), chloro(4-sulfonatophenyl)-, hydrogen Mercury, chloro(4-sulfophenyl)- P-CHLOROMERCURIPHENYLSULFONIC ACID PCMBS p-Chloromercuribenzenesulfonate p-Chloromercuriphenylsulfonate