Patent ID: 7767691

Claim:
A compound according to Formula (I): wherein: Y is OH or CN; R1 is C1-15 alkyl, cyanosubstituted C1-15 alkyl, halosubstituted C1-15 alkyl, —C1-15 alkyl cycloalkyl, C2-15 alkenyl, hydroxy substituted C1-15 alkyl, -C2-15 alkyl aryl, -C2-15 alkyl heteroaryl, —(CH2)qOC(O)Ra, —(CH2)qORc or R4 and R5 are, independently, selected from hydrogen, halogen, C1-4 alkyl, aryl, C1-4 alkyl aryl, cyano, nitro, or (CH2)pORb, or R4 and R5 together may form a 5 to 6 membered saturated or unsaturated ring; R6 is selected from the group consisting of hydrogen, and C1-4 alkyl; m is an integer having a value of 1 to 15; R2 and R3 are, independently, selected from the group consisting of aryl and heteroaryl; Ra is hydrogen, C1-15 alkyl, C1-15 alkoxy or aryl; Rb is hydrogen, or C1-4 alkyl; Rc is selected from hydrogen, C1-15 alkyl, C1-15 alkoxy, or heterocyclic; p is 0 or an integer having a value of 1 to 4; q is an integer having a value of 1 to 5; t is 0 or an integer having a value of 1 to 5; and X— is a physiologically acceptable anion.