{HEAD ~ The compounds} of this invention are {TAIL ~ disulfide compounds} and these esters or these amides of mercaptoacylamino acids which are effective as angiotensin I converting enzyme inhibitors for symptom of hypertension 
are
{ HEAD ~ The compounds } of this invention are { TAIL ~ disulfide compounds } and these esters or these amides of mercaptoacylamino acids which are effective as angiotensin I converting enzyme inhibitors for symptom of hypertension
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH