130623-66-4 3-(3-Nitro-4-propoxyphenyl)-5,6-dihydro-imidazo(2,1-b)thiazole monohydrochloride Imidazo(2,1-b)thiazole, 5,6-dihydro-3-(3-nitro-4-propoxyphenyl)-, monohydrochloride