The invention provides compounds of the Formula: ##STR00001## wherein m, n, A, X, Y, Z, R.sup.1, R.sup.2, R.sup.4, R.sup.6, R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are as defined herein, and pharmaceutically acceptable salts, solvates, prodrugs, single isomers or racemic or non-racemic mixture of isomers thereof. The invention also provides methods for preparing, compositions comprising, and methods for using compounds of formula I.