... in Refluxing 3N Hydrochloric Acid” ITSUO YOSHIZAWA,* SHINJI ITOH, KYOKO NAGATA, and NORIO KAWAHARA Hokkaido Institute of Pharmaceutical Sciences, Katsuraoka ... 100 mg of the [13C-20]-su1fate (6) in 5 m1 of boiling water and the same volume of boiling ... 3826 Vol. ...