148550-96-3 5-Methoxy-3-(1-methylethoxy)benzo(b)thiophene-2-carboxamide 1-oxide 5-Methoxy-3-(1-methylethoxy)benzo(b)thiophene-2-carboxamide-1-oxide Benzo(b)thiophene-2-carboxamide, 5-methoxy-3-(1-methylethoxy)-, 1-oxide PD 144795 PD-144795