tert-butyl (1R,3R)-1-(4-((tert-butyldimethylsilyloxy)methyl)thiazol-2-yl)-1-hydroxy-4-methylpentan-3-yl(methyl)carbamate

(1R,3R)-3-(tert-butoxycarbonyl(methyl)amino)-1-(4-(hydroxymethyl)thiazol- 2-yl)-4-methylpentyl acetate

(1R,3R)-3-((tert-butoxycarbonyl)methylamino)-1-(4-formylthiazol-2-yl)-4-methylpentyl acetate

2-((1R,3R)-1-acetoxy-3-((tert-butoxycarbonyl)(methyl)amino)-4-methylpentyl)thiazole-4-carboxylic acid

di(tert-butyl) (2R,4S)-5-hydroxy-4-methyl-1-phenylpentan-2-yliminodicarbonate