1-ethylpropyl 3S-tert-butyldimethylsilyloxy-2S-methylpentanoate

(4S,5S)-5-{[tert-butyl(dimethyl)silyl]oxy}-4-methylhept-1-en-3-one

(4S,5S,6S)-6-ethyl-5-methyl-4-(2-(1-phenyl-1H-tetrazol-5-ylsulfonyl)ethyl)-4-(trimethylsilyloxy)-tetrahydropyran-2-one

(4S,5S)-1-(benzyloxy)-5-{[tert-butyl(dimethyl)silyl]oxy}-4-methylheptan-3-one

(4S,5S)-1-(benzyloxy)-5-hydroxy-4-methylheptan-3-one