the influence of an anorganic anion iodide ( i- ) and an organic anion tetraphenylborate ( tpb- ) on the hepatic uptake and biliary excretion of three organic cations , triethylmethyl ammonium ( tema ) , tripropylmethyl ammonium ( tpma ) and tri-n-butylmethyl ammonium ( tbuma ) was studied .
C0003075
anion
C0021966
i