Mercaptoalcylamino acids are generally susceptible to inactivation by oxidation in vivo and decomposition in process of manufacturing themselves or their preparations or with the elapse of {HEAD ~ time} because of {TAIL ~ the compounds} having chemically and biologically active sulfhydryl group 
Mercaptoalcylamino acids are generally susceptible to inactivation by oxidation in vivo and decomposition in process of manufacturing themselves or their preparations or with the elapse of { HEAD ~ time } because of { TAIL ~ the compounds } having chemically and biologically active sulfhydryl group
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH