6,8-Dibromoimidazo[1,2-A]pyrazine63744-22-9100 % similar 6,8-Dibromoimidazo[1,2-A]pyridine1202450-63-244 % similar 6-Bromoimidazo[1,2-A]pyrimidine865156-68-935 % similar 6-Bromoimidazo[1,2-B]pyridazine1159977-65-732 % similar 2,6-Dibromo-3-pyridinamine39856-57-031 % similar 2,6-Dibromo-3-pyridinol6602-33-131 % similar