(3Ar,4r,5r,6as)-4-((e)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-5-hydroxyhexahydro-2h-cyclopenta[b]furan-2-one

5-Fluoro-2-(trifluoromethyl)pyridine

4-Chloro-2-formylbenzoic acid

Ethyl 4,4,4-trifluoroacetoacetate

5-Fluoro-2-formylphenylboronic acid

2-Bromo-5-(trifluoromethyl)benzoic acid ethyl ester