toluene-4-sulfonic acid 4-[(2R,3S)-2,3-dihydro-(3-methyl-5-(1E)-1-propenylbenzofuran-2-yl)]phenyl ester

(2E)-3-[4-(toluene-4-sulfonyloxy)phenyl]-2-propenoic acid ethyl ester

toluene-4-sulfonic acid 4-[(1E)-3-hydroxy-1-propenyl]phenyl ester

(4-formylphenyl) 4-methylbenzenesulfonate

toluene-4-sulfonic acid 4-[(R)-1-(4-formyl-2-iodophenoxy)allyl]phenyl ester