▁A NO VA ▁followed ▁by ▁Dun nett ' s ▁multiple ▁compar isons ▁test ) ▁b , ▁P ▁< ▁ 0 . 0 1 ▁compared ▁with ▁( — )- c oca ine ▁( one - way ▁A NO VA ▁followed ▁by ▁Dun nett ' s ▁multiple ▁compar isons ▁test ) ▁c L id oca ine ▁was ▁found ▁to ▁have ▁a ▁value ▁of ▁ 3 9 . 6 ▁ ± ▁ 2 . 4 , ▁the ▁weak est ▁of ▁all ▁tested . ▁d S ame ▁reference ▁gives ▁ 2 5 . 9 ▁ ± ▁ 2 . 4 ▁ μ M ▁for ▁(+ )- c oca ine ▁and ▁ 1 3 . 6 ▁ ± ▁ 1 . 3 ▁ μ M ▁for ▁nor c oca ine . ▁Compar ably ▁it ▁gives ▁ 1 2 . 7 ▁ ± ▁ 1 . 5 ▁ μ M ▁for ▁the ▁s igma erg ic ▁aff inity ▁of ▁(+ )- am ph et am ine . ▁Another ▁reference ▁gives ▁ 1 . 7 - 6 . 7 ▁ μ M ▁for ▁( — )- c oca ine . ▁All ▁values ▁Ki . ▁Using ▁same ▁data - set ▁as ▁above ▁table , ▁the ▁following ▁comp ounds ▁were ▁found ▁to ▁compare ▁as : ▁C FT ▁@ ▁DAT ▁= ▁ 3 9 . 2 ▁ ± ▁ 7 . 1 ▁( n ▁= ▁ 5 ) ▁flu ox et ine ▁@ ▁S ERT ▁= ▁ 2 7 . 3 ▁ ± ▁ 9 . 2 ▁( n ▁= ▁ 3 )