... in Aqueous Buffer of pH 10 MASAICHIRO MAsUI,* YosYUKI KAMADA, ETUko SAsAkı, and Sceko Ozak Faculty of Pharmaceutical Sciences, Osaka ... 1242 Vol. ... converted to diethyldithioacetalº by GLC using a glass column packed with Silicone OV-1 (Wako Chemical Co.) and ...