4-hydroxymethyl-2-[(2-tert-butyldimethylsilyloxy)-1,1-dimethylethyl]thiazole

methyl 2-[2-(tert-butyldiphenylsilyloxy)-1,1-dimethylethyl]thiazolidine-4-carboxylate

methyl 2-[2-(tert-butyldiphenylsilyloxy)-1,1-dimethylethyl]thiazol-4-carboxylate

methyl (E)-2-(2-{3-[(tert-butyldimethylsilyl)oxy]-6-iodo-2-methylhex-5-en-2-yl}thiazol-4-yl)acetate

methyl 2-(2-(2-methyl-1-oxopropan-2-yl)thiazol-4-yl)acetate