p. 533 - 540
(2007/10/03)tert-butyl (2S,3S,4E)-2-(benzoyloxy)-3-benzoyl<(1R)-1-phenylethyl>amino-4-hexenoate
methyl (2S,3S,4E)-3-(benzoylamino)-2-(benzoyloxy)-4-hexenoate
tert-butyl (2S,3S,4E)-3-allyl<(1R)-1-phenylethyl>amino-2-hydroxy-4-hexenoate
tert-butyl (2S,3S,4E)-2-hydroxy-3-<(1R)-1-phenylethyl>amino-4-hexenoate
tert-butyl (2E,4E)-2,4-hexadienoate