1-(Benzothien-2'-yl)-4-N-morpholino butanone hydrochloride 1-Benzo(b)thien-2-yl-4-(4-morpholinyl)-1-butanone hydrochloride 1-Butanone, 1-benzo(b)thien-2-yl-4-(4-morpholinyl)-, hydrochloride 61508-05-2