The invention relates to compounds of the general formula (I)
##STR1##
wherein R1 represents H, halogen, or OCF3; R2
and R3 each represents H or halogen; R4 represents
C1-6-alkyl, C3-8-cycloalkyl, CF3, OCF3,
F, Cl, OMe, or optionally substituted phenyl; V represents O, CH2O,
OCF2, or O—C1-6-alkyl-O; and W represents CH2
or CH2CH2. A process for making such compounds, pharmaceutical
compositions containing them, and methods of treatment of various conditions using
them are also disclosed and claimed.