3-(Piperidinoacetyl)benzo(b)thiophene hydrochloride 7349-48-6 Benzo(b)thien-3-yl piperidinomethyl ketone hydrochloride Benzo(b)thiophene, 3-(piperidinoacetyl)-, hydrochloride KETONE, BENZO(b)THIEN-3-YL PIPERIDINOMETHYL, HYDROCHLORIDE