etha and ethm displaced [ 3h ] -quinuclidinyl benzilate ( [ 3h ] -qnb ) from muscarinic receptors of m2 type ( m2-r ) of rabbit heart with ki = 0.65 +/- 0.07 and 21 +/- 1 mumol/l in atria , 0.77 +/- 0.06 and 22 +/- 3 mumol/l in ventricles ;
C0018787
heart
C0018792
atria