Synonyms: Spa-S-142;4,4'-(2-Pyridinylmethylene)bisphenol, acetate (ester) hydrogen sulfate (ester), sodium salt;4-(alpha-(p-Acetoxyphenyl)-2-picolyl)phenylsulfuric acid sodium salt;Phenol, 4,4'-(2-pyridinylmethylene)bis-, acetate (ester) hydrogen sulfate (ester), sodium salt;LS-105105;36175-10-7