methyl 2'-acetyl-2,4'-bithiazole-4-carboxylate

methyl 2'-(1-hydroxyethyl)-[2,4'-bithiazole]-4-carboxylate

(+/-)-2'-(1-benzoyloxyethyl)-4-methoxycarbonyl-2,4'-bithiazole

methyl 2-(2-bromoacetyl)-1,3-thiazole-4-carboxylate

methyl 2'-(2-bromoacetyl)-2,4'-bithiazole-4-carboxylate