The invention provides acid addition salts of a basic therapeutic agent wherein the acid is represented by Formula I,R—；X ； ；(I),wherein R is a haloalkyl group and X is —；SO3H, C(O)OH or P(O)(OR1)(OH), where R1 is hydrogen or C1-C6-alkyl. The invention also provides pharmaceutical compositions comprising a pharmaceutically acceptable carrier or excipient and an acid addition salt of the invention and a method of using an acid addition salt of the invention for treating a disease or disorder in a subject in need thereof.
