methyl 2-[2-bromopropanoyl]-5-methylthiazole-4-carboxylate

methyl 2-[(E,Z)-1-(N-Boc)amino-2-bromo-1-propenyl]-5-methylthiazole-4-carboxylate

methyl 2-[2-bromopropionyl-5-methyl(thiazol-4-yl)]-5-methylthiazole-4-carboxylate

methyl 2-{2-[(4S,5R)-1-(butoxycarbonyl)amino-2-hydroxy]propyl-5-methyl(thiazol-4-yl)}-5-methylthiazole-4-carboxylate

methyl 2-{2-[(E,Z)-1-(butoxycarbonyl)amino-2-bromo-1-propenyl]-5-methyl(thiazol-4-yl)}-5-methylthiazole-4-carboxylate