15068-61-8 2,3-Dihydro-5,7-dimethylthiazolo(3,2-a)pyrimidin-4-ium bromide 5,7-Dimethylthiazolidino(3,2-a)pyrimidine bromide Thiazolo(3,2-a)pyrimidin-4-ium, 2,3-dihydro-5,7-dimethyl-, bromide