2,3,6,7,10,11-Hexahydro-1H,5H-cyclopenta[3,4][1]benzopyrano[6,7,8-ij]quinolizin-12(9H)-one41175-45-5100 % similar Coumarin 15353518-18-660 % similar Coumarin 34355804-65-455 % similar Coumarin 33455804-67-655 % similar 8-Hydroxyjulolidine-9-carboxaldehyde63149-33-741 % similar 8-Hydroxyjulolidine41175-50-239 % similar