112859-12-8 2H-Imidazo(4,5-b)quinolin-2-one, 1,3-dihydro-7-(4-(phenylsulfonyl)butoxy)- 7-(4-(Phenylsulfonyl)butoxy)-1,3-dihydro-2H-imidazo(4,5-b)quinolin-2-one Bmy 21638 Bmy-21638