154512-24-0 2H-Imidazo(4,5-b)quinolin-2-one, 7-(4-(cyclohexylamino)butoxy)-1,3-dihydro- 7-(4-(Cyclohexylamino)butoxy)-1,3-dihydro-2H-imidazo(4,5-b)quinolin-2-one BMY21190 Bmy 21190 Bmy-21190