7-bromobenzo c 1 2 5 thiadiazole-4-carbaldehyde July 8, 2019 16 32 64 128 7 bromobenzo c 1 2 5 thiadiazole 4 carbaldehyde 4 7-dibromo-2 1 3-benzothiadiazole 4 7-dibromo-2 1 3-benzoselenadiazole
