p. 1881 - 1888
(2007/10/03)p. 7389 - 7392
(2007/10/03)(3S,3aR,4S,7aR)-2-benzyl-3-benzyloxycarbonylmethyl-1-oxo-6-phenyl-1,2,3,3a,4,7a-hexahydro-pyrano[3,4-c]pyrrole-4-carboxylic acid ethyl ester
(E)-(S)-4-[Benzyl-((E)-4-oxo-4-phenyl-but-2-enoyl)-amino]-hex-2-enedioic acid 6-benzyl ester 1-ethyl ester
(3S,3aR,4S,7aR)-2-benzyl-3-benzyloxycarbonylmethyl-6-methyl-1-oxo-1,2,3,3a,4,7a-hexahydro-pyrano[3,4-c]pyrrole-4-carboxylic acid ethyl ester
(E)-(S)-4-[Benzyl-((E)-4-oxo-pent-2-enoyl)-amino]-hex-2-enedioic acid 6-benzyl ester 1-ethyl ester
(E)-(S)-4-Benzylamino-hex-2-enedioic acid 6-benzyl ester 1-ethyl ester