6-(4'-Fluorophenyl)-5-(4'-pyridyl)-2,3-dihydroimidazo(2,1-b)thiazole-1-dioxide 72873-77-9 Imidazo(2,1-b)thiazole, 6-(4-fluorophenyl)-2,3-dihydro-5-(4-pyridinyl)-, 1-oxide SK&F 86096 Skf-86096