(S)-2-methyl-4-(tert-butyldiphenylsilyloxy)butanol

5-[(S)-4-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxy-2-methyl-butyl]-4-methoxy-3-methyl-5H-furan-2-one

5-[(S)-4-(tert-Butyl-diphenyl-silanyloxy)-2-methyl-but-(Z)-ylidene]-4-methoxy-3-methyl-5H-furan-2-one