(2R,3E)-2-(tert-butyldimethylsilyloxy)-3-methyl-4-(2-methyl-1,3-thiazol-4-yl)-3-butenal

(2R,3E)-ethyl 2-(tert-butyldimethylsilyloxy)-3-methyl-4-(2-methyl-1,3-thiazol-4-yl)-3-butenoate

(1E,3S)-3-(tert-butyldimethylsilyloxy)-2-methyl-6-trimethylsilyl-1-(2-methyl-1,3-thiazol-4-yl)-1-hexen-5-yne

Carbonic acid (E)-(R)-2-(tert-butyl-dimethyl-silanyloxy)-3-methyl-4-(2-methyl-thiazol-4-yl)-1-trimethylsilanylethynyl-but-3-enyl ester methyl ester