(S)-4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-hydroxybutansaeure

(S)-4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-methyl-1-(4-tolylsulfonyloxy)butan-2-ol

4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-oxobutansaeure-[(1S)-1-(benzylcarbamoyl)-ethyl]ester

(2S)-4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-hydroxy-2-methylbutansaeure-((1S)-1-(benzylcarbamoyl)-ethyl)ester

(2S)-4-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2-hydroxy-2-methylbutansaeure-[(1R,2S,3S,4S)-3-benzyl-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl]ester