(4S,5R)-1-[(S)-4-(2-Isobutyl-[1,3]dioxolan-2-yl)-3-methyl-butyryl]-3,4-dimethyl-5-phenyl-imidazolidin-2-one

ethyl (3S)-5,5-ethylenedioxy-3,7-dimethyl-octanoate

(R)-3-methyl-4-(phenylsulfonyl)butan-1-ol

R-(-)-3-methyl-4-phenylsulfonylbutanoic acid

1-溴代异戊烷