. . . " and the sum of m, n, p, s and t is 1-6; provided that when p is 0 and t is 1, the sum of m, s and n is 1-5; and provided that when p is 0 and s is 1, the sum of m, t and n is 1-5; v is 0 or 1; j and k are independently 1-5, provided that the sum of j, k and v is 1-5; and when Q is a bond and R1 is ##STR33## Ar1 can also be pyridyl, isoxazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, th" . .