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. 2021 Dec 7;12:770377. doi: 10.3389/fphar.2021.770377

TABLE 2.

In vitro vesicular monoamine transporter 2 (VMAT2) binding affinity in the rat brain and inhibition of [3H]DA uptake in rat striatal synaptosomes.

Compounds Binding (nM) Uptake (nM)
IC50 Ki IC50 IC90
13e 5.45 3.18 7.89 36.7
(+)-13e 2.54 1.48 6.11 34.1
(−)-13e 470 270 129 1,598
HTBZ 7.23 4.22 30.6 277
TBZ 23.0 13.5 7.17 96.9