the present invention relates to certain salts of a 11 -- 14 , 19 - dioxa - 5 , 7 , 26triaza - tetra - cyclo . 1 ] heptacosa - 1 , 2 , 3 , 5 , 8 , 10 , 12 , 16 , 21 , 23 - decaene which have been found to have improved properties . in particular the present invention relates to the maleate salt of this compound . the invention also relates to pharmaceutical compositions containing this salt and methods of use of the salt in the treatment of certain medical conditions .