abstract |
The present invention provides a compound of formula (I) and a pharmacologically acceptable salt effective as a dopamine reuptake inhibitor, and a method for using the compound: Where X is each halogen, alkyl, alkoxy or nitro; m is 0, 1, 2, 3 or 4; n is 1 or 2; R 1 and R 2 are each H- or alkyl; R 3 is H-, alkyl or aralkyl; and R 4 is H- or aryl. |