(2S,1’R,2’S)-N-(叔丁氧基羰基)-2-(1’-羟基-2’-甲基-3’-丁烯)-吡咯烷

(3R,4R,6R)-7-Methoxy-6-(4-methoxy-benzyloxy)-3-methyl-hept-1-en-4-ol

(4S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-[(2S,3S,4S,5S,6R,9S,11S)-4-(tert-butyl-dimethyl-silanyloxy)-9-ethyl-3,5,11-trimethyl-8-oxo-1-oxa-7-aza-spiro[5.5]undec-2-yl]-4-methyl-hexanal

(2S,3R,4S,5S,6R,9S,11S)-2-((2S,3S)-7-Bromo-2-hydroxy-3-methyl-hept-6-ynyl)-9-ethyl-4-hydroxy-3,5,11-trimethyl-1-oxa-7-aza-spiro[5.5]undecan-8-one

(2S,3S,4S,5S,6R,9S,11S)-2-((2S,3S)-7-Bromo-3-methyl-2-trimethylsilanyloxy-hept-6-ynyl)-9-ethyl-3,5,11-trimethyl-4-trimethylsilanyloxy-1-oxa-7-aza-spiro[5.5]undecan-8-one