the generation of secondary cytotoxic t-lymphocyte ( ctl ) responses in vitro toward allogeneic p815 mastocytoma cells were suppressed 60-80 % when 10 ( -4 ) mol/l histamine , 10 ( -5 ) mol/l dimaprit ( s- [ 3- ( n , n-dimethylamino ) propyl ] isothiourea dihydrochloride ) or 10 ( -5 ) mol/l impromidine were present in the culture .
C0058185
dimaprit
C0039958
isothiourea