(3aR,9aR)-N-(8-mentholyl)-6-methoxy-3a,4,9,9a-tetrahydrobenz[f]isoindoline

(E)-1-(3-azidoprop-1-en-1-yl)-4-methoxybenzene

tert-butyl (E)-4,4-difluoro-5-hydroxy-7-(4-methoxyphenyl)-3-oxohept-6-enoate

tert-butyl (E)-4,4-difluoro-3,5-dihydroxy-7-(4-methoxyphenyl)hept-6-enoate