p. 975 - 978
(1977)p. 880 - 887
(2007/10/02)(S)-tryptophan methyl ester hydrochloride
L-Tryptophan
(5S,11bR)-3-Oxo-2,3,6,11-tetrahydro-1H,5H-indolizino[8,7-b]indole-5,11b-dicarboxylic acid dimethyl ester
(1R,3S)-1-(2-Methoxycarbonyl-ethyl)-2,3,4,9-tetrahydro-1H-β-carboline-1,3-dicarboxylic acid dimethyl ester
(1R,3S)-1-(2-Carboxy-ethyl)-2,3,4,9-tetrahydro-1H-β-carboline-1,3-dicarboxylic acid