Synonyms: 1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole;1,2,3,4-Tetrahydro-b-carboline;2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole;2,3,4,9-Tetrahydro-1H-b-carboline;Noreleagnine;Norharman, 1,2,3,4-tetrahydro-;THBC;Tetrahydro-b-carboline;Tetrahydronorharman;Tryptoline;