2-Bromo-5-fomylthiazole464192-28-730 % similar 4-(Chloromethyl)-1,3-thiazole hydrochloride7709-58-230 % similar 2-Chloro-1,3-thiazole-5-carbaldehyde95453-58-030 % similar Imidazole-2-carboxaldehyde10111-08-730 % similar 2-Chloropyrimidine-5-carbaldehyde933702-55-730 % similar