(2S,5S)-2-(3',4',5'-trimethoxyphenyl)-5-[3''-methoxy-5''-(2'''-t-butyldimethylsilyloxyethanesulfanyl)-4''-propoxyphenyl]tetrahydrofuran

4[3-Methoxy-4-n-propyloxy-5-iodophenyl]-4S-butyrolactone

tert-butyl 4-(3-iodo-5-methoxy-4-propoxyphenyl)-4-oxobutanoate

(S)-5-[3-(2-Hydroxy-ethylsulfanyl)-5-methoxy-4-propoxy-phenyl]-dihydro-furan-2-one