A compound of formal (I) is described: wherein R
1
and R
2
are as defined in the text and wherein the compounds are intended for use in treating medical conditions characterized by an imbalance in dopamine receptor activity.
A compound of formula (I) is described: wherein R1 and R2 are as defined in the text and wherein the compounds are intended for use in treating medical conditions characterized by an imbalance in dopamine receptor activity.