some biological properties of an `` '' irreversible '' '' antagonist of neurohypophyseal hormones , deamino- [ phe ( 4-brch2conh ) 2 ] -oxytocin , and its isosteric analogue , deamino- [ phe ( 4-ch3ch2conh ) 2 ] -oxytocin .
C0032017
f neurohypophyse
C0030095
] -oxytoc