however . when rats were dosed with either sk & f 29661 or 64139 over 24 h and the adrenal catecholamine stores were then radioactively labeled with a tracer dose of 3h-norepinephrine , the rate of 3h-norepinephrine disappearance was reduced in the sk & f 64139-treated animals as compared with those given sk & f 29661 .
C0007412
catecholamine
C0028351
norepinephrine