2,3,6,7,10,11-Hexahydro-1H,5H-cyclopenta[4,5]pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-12(9H)-one 41175-45-5 AIDS-128593 AIDS128593 Coumarin 106 NSC290434 {1H,5H-Cyclopenta[3,4][1]benzopyrano[6,7,} 8-ij\]quinolizin-12(9H)-one, 2,3,6,7,10,11-hexahydro-