Synonyms: 1H-Pyrido[3,4-b]indole-3-carboxylicacid, 2,3,4,9-tetrahydro-, (S)-; (-)-(3S)-1,2,3,4-Tetrahydro-b-carboline-3-carboxylic acid;(S)-(-)-2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid;(S)-1,2,3,4-Tetrahydro-3-carboxy-2-carboline;L-1,2,3,4-Tetrahydro-3-carboxy-2-carboline; L-3-Carboxy-1,2,3,4-tetrahydro-b-carboline; Lycoperodine-1