This invention relates to compounds which are alpha-1 receptor agonists, preferably alpha-1A/L receptor agonists, and which are represented by Formula I: wherein m, A, X, Y, R1, R2, R3, R4 and R5 are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof.