4-[Rac-(R)-(6-methoxy-4-quinolyl)-[rac-(2R,4S,5R)-5-ethylquinuclidin-2-yl]methoxy]-1-[rac-(R)-(6-methoxy-4-quinolyl)-[rac-(2R,4R,5S)-5-ethylquinuclidin-2-yl]methoxy]phthalazine - Click Image to Close