Patent ID: 7713969

Claim:
A compound selected from the group consisting of (+)-cis-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4(1H-indol-3-yl) pyrrolidine-2,5-dione, (−)-cis-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4(1H-indol-3-yl) pyrrolidine-2,5-dione, (+)-trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1H-indol-3-yl) pyrrolidine-2,5-dione, and (−)-trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1H-indol-3-yl) pyrrolidine-2,5-dione.