flurazepam , temazepam , lorazepam , flunitrazepam and diazepam had an inhibitory effect on plasma cholinesterase of 60 -- 90 per cent and , with the exception of lorazepam , an inhibitory effect of 40 -- 50 per cent on red cell cholinesterase .
C0008429
plasma cholinesterase
C0001044
red cell cholinesterase