(R)-4-{(S)-2-[2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazol-4-yl]-propyl}-azetidin-2-one

(S)-3-(2-((R,E)-4-bromo-2-((triisopropylsilyl)oxy)pent-3-en-1-yl)thiazol-4-yl)-N-methoxy-N-methylbutanamide

(R)-1-Benzyloxy-4-{(S)-2-[2-((E)-(R)-4-bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazol-4-yl]-propyl}-azetidin-2-one

tert-butyl ((3S,11S,15R,17S,E)-3-((E)-2-bromoprop-1-en-1-yl)-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]henicosa-1(21),8,18-trien-6-yn-15-yl)carbamate