3-(Morpholinoacetyl)benzo(b)thiophene hydrochloride 7349-50-0 Benzo(b)thien-3-yl morpholinomethyl ketone hydrochloride Benzo(b)thiophene, 3-(morpholinoacetyl)-, hydrochloride KETONE, BENZO(b)THIEN-3-YL MORPHOLINOMETHYL, HYDROCHLORIDE