The compounds or their salts of the invention have {HEAD ~ an excellent somatostatin receptor function} regulating {TAIL ~ effect}, and are not toxic 
regulating
The compounds or their salts of the invention have { HEAD ~ an excellent somatostatin receptor function } regulating { TAIL ~ effect } , and are not toxic
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH