ethyl (2R,3R)-2-azido-3-[(tert-butyl)dimethylsilyloxy]-10-[(1R,2S)-2-decylcyclopropyl]decanoate

ethyl (2S,3R)-10-[(1R,2S)-2-decylcyclopropyl]-3-hydroxy-2-[(4-nitrophenylsulfonyl)oxy]decanoate