119694-68-7 2-(1-(9H-Pyrido(3,4-b)indol-3-yl)ethylidene)hydrazinecarbothioamide 3-Acetyl-beta-carboline thiosemicarbazone BRN 6519582 Hydrazinecarbothioamide, 2-(1-(9H-pyrido(3,4-b)indol-3-yl)ethylidene)-