p. 4542 - 4545
(2007/10/03)(S)-Pyroglutaminol
p-toluenesulfonyl chloride
(S)-toluene-4-sulfonic acid 5-oxo-pyrrolidin-2-ylmethyl ester
(R)-(-)-5-but-3-enyl-1-(toluene-4-sulfonyl)pyrrolidin-2-one
(R)-5-(but-3-en-1-yl)pyrrolidin-2-one
(R)-(-)-{2-[5-but-3-enyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrrol-2-yl]-2-oxoethyl}phosphonic acid dimethyl ester
(2R,4S)-(+)-2-but-3-enyl-4-isopropyl-1-(toluene-4-sulfonyl)-2,3,4,5-tetrahydro-1H-cyclopenta[b]pyrrol-6-one
(R)-(-)-[5-but-3-enyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrrol-2-yl]-4-methylpent-2-en-1-one