4-[(1SR,2Z,4R)-1-benzyloxycarbonylamino-4-methyl-5-oxo-2-trimethylsilanylpent-2-enyl]benzoic acid methyl ester

(1R,2E,4R)-[2-methyl-4-(naphthalen-2-ylcarbamoyl)-1-phenylpent-2-enyl]carbamic acid benzyl ester

(1SR,2E,4R)-N-[5-(tert-butyldiphenylsilanyloxy)-2,4-dimethyl-1-phenylpent-2-enyl]-P,P-diphenylphosphinamide

(R,E)-4-iodo-2-methylbut-3-enoic acid