... 4041 167 (1977). 0022-2623/81/1824-0604$01.25/0 0 1981 American Chemical Society Page 2. Imidazothiazoles and Thiazolobenzimidazoles ... The Page 4. Imidazothiazoles and Thiazolobenzimidazoles Journal of Medicinal Chemistry, 1981, Vol. 24, No. 5 607 ...