Patent ID: 7498349

Claim:
A compound according to the formula and the pharmaceutically acceptable salts thereof, wherein the moiety: is selected from the group consisting of wherein the moiety: is selected from the group consisting of each R 1 is independently H, halogen, OH, or a C 1 to C 12 alkyl or heteroalkyl moiety; each R 2 is independently H or a C 1 to C 18 alkyl or heteroalkyl moiety or the two R 2 's taken together with the nitrogen atom to which they are attached form a substituted or unsubstituted heteroalkyl 5 to 7 member ring; wherein the moiety: is selected from the group consisting of wherein one of X 1 , X 2 , and X 3 is a ring vertex selected from the group consisting of —O—, —S—, and —NR 8 —, and the other two of X 1 , X 2 , and X 3 are ring vertices selected from the group consisting of ═N— and ═CR 7 —; each R 7 is independently H, F, Cl, Br, I, CN, OH, NO 2 , NH 2 , a substituted or unsubstituted (C 1 -C 12 )alkyl group, a substituted or unsubstituted (C 1 -C 12 )alkoxy group, or a substituted or unsubstituted (C 1 -C 12 )heteroalkyl group; R 8 is H, a substituted or unsubstituted (C 1 -C 12 )alkyl group, or a substituted or unsubstituted (C 1 -C 12 )heteroalkyl group; and R 3 is H or a C 1 to C 6 alkyl moiety; with the proviso that at least one group R 1 , R 2 , or R 3 contains an alkyl amine group or a quaternary nitrogen group.