(R)-2-{(S)-2-[2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazol-4-yl]-propyl}-4-oxo-azetidine-1-carboxylic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester

(R)-2-((S)-2-{2-[(E)-(S)-4-Bromo-2-((E)-(S)-7-hydroxy-5-methyl-oct-4-en-2-ynoyloxy)-pent-3-enyl]-thiazol-4-yl}-propyl)-4-oxo-azetidine-1-carboxylic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester

(R)-2-[(S)-2-(2-{(E)-(S)-4-Bromo-2-[(E)-(S)-7-(tert-butyl-dimethyl-silanyloxy)-5-methyl-oct-4-en-2-ynoyloxy]-pent-3-enyl}-thiazol-4-yl)-propyl]-4-oxo-azetidine-1-carboxylic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester

(3S,5S)-5-[2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazol-4-yl]-3-hydroxy-1-((S)-4-isopropyl-2-thioxo-thiazolidin-3-yl)-hexan-1-one

1,1,1-trichloro-2-methylpropan-2-yl ((12Z,3S,6Z,8E,11S,15R,17S)-3-((E)-2-bromoprop-1-en-1-yl)-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-1(2,4)-thiazolacycloheptadecaphane-6,8-dien-15-yl)carbamate