3-Hydroxytetrahydro-1H-1lambda6-thiophene-1,1-dione

2-Hydroxy-5-iodo-benzaldehyde

4,5-Dimethoxy-3-iodobenzaldehyde

2-Chloro-4-methoxypyridine

3-Methyl-2-pyrrolidinone

tert-Butyl-4-[4-(ethoxycarbonyl)-1,3-thiazol-2-yl]-piperizine-1-carboxylate

N-alpha-tert-butoxycarbonyl-D-threonine