ICI 216,140

(CH3)2CHCO-HIS-TRP-ALA-VAL-D-ALA-HIS-LEU-NHCH3

ICI 216,140 SYNTHETIC >95% POTENT IN VIV O ANTAGO

N-(2-Methyl-1-oxopropyl)-L-His-L-Trp-L-Ala-L-Val-D-Ala-L-His-N-methyl-L-Leu-NH2