(E)-(4S, 5S)-methyl-4-azido-6-(tert-butyldimethylsiloxy)-5-methyl-hex-2-enoate

(E)-(5R, 6S)-methyl 6-methoxy-7-phenyl-5-methylhept-3-enoate

(E)-(4S, 5S)-methyl-4-(N-tert-butoxycarbonyl)amino-6-(tert-butyldimethylsiloxy)-5-methyl-hex-2-enoate

(R)-Azido-[(2R,3S,4R)-3-(dimethyl-phenyl-silanyl)-4-methyl-tetrahydro-furan-2-yl]-acetic acid methyl ester

(E,E)-(2S,3S,8S,9S)-3-(N-tert-butoxycarbonyl)amino-9-methoxy-10-phenyl-2,6,8-trimethyl-4,6-decadien-1-ol