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

2-(2-{1-[(tert-butyldiphenylsilyl)oxy]-2-methylpropan-2-yl}thiazol-4-yl)acetonitrile

methyl 2-[2-(1-hydroxy-2-methylpropan-2-yl)thiazol-4-yl]acetate