p. 1105 - 1109
(2006)p. 1358 - 1373
(2008/02/04)p. 4423 - 4426
(2008/03/12)2,4-dinitrobenzenesulfonyl chloride
(S)-tryptophan methyl ester hydrochloride
(S)-methyl 2-(N-(prop-2-ynyl)-N-(2,4-dinitrobenzenesulfonylamino))-3-(1H-indol-3-yl)propanoate