(4S,5R)-4-Hydroxy-5-((Z)-styryl)-dihydro-furan-2-one

(2E,7E)-(S)-5-(2-Ethoxy-ethoxy)-6-oxo-8-phenyl-octa-2,7-dienoic acid tert-butyl ester

(2E,7E)-(S)-5-((S)-2-{(R)-3-[(R)-2-tert-Butoxycarbonylamino-3-(3-chloro-4-methoxy-phenyl)-propionylamino]-2-methyl-propionyloxy}-4-methyl-pentanoyloxy)-6-oxo-8-phenyl-octa-2,7-dienoic acid tert-butyl ester

(E)-(S)-5-Hydroxy-6-oxo-8-phenyl-oct-2-en-7-ynoic acid tert-butyl ester

(E)-(S)-6-Oxo-8-phenyl-5-(tetrahydro-pyran-2-yloxy)-oct-2-en-7-ynoic acid tert-butyl ester