2-(2,3,6,7-Tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-1-ylidene)malononitrile AIDS-127420 AIDS127420 NSC162282 Propanedinitrile, (2,3,6,7-tetrahydro-1H, {5H-benzo[ij]quinolizin-1-ylidene)-}