Patent ID: 8377948

Claim:
A compound having the following formula: wherein: R 1 and R 2 are the same or different and are chosen from H, alkyl, and alkenyl; R 3 is S and R 4 is ═O; R 5 comprises an aryl group chosen from furyl, pyrrolyl, pyridyl, thiazolyl, oxazolyl, isoxazolyl, imidazolyl, pyrazolyl, pyrimidinyl, thiadiazolyl, oxadiazolyl, quinolyl, isoquinolyl, naphthyl, and phenyl, any of which may be substituted or unsubstituted; and R 6 and R 7 are i) the same or different and chosen from, H, alkyl, and alkenyl, or are ii) both —CH 2 — and are bonded together to form a piperazinyl ring; with the proviso that if R 1 and R 2 are both methyl, R 3 is C, and R 6 and R 7 are both —CH 2 — and are bonded together to form a piperazinyl ring, then R 5 is not 2,3-dihydro-benzo[1,4]dioxane.