4-14-00-00049 (Beilstein Handbook Reference) 4-Aminobenzaldehyde thiosemicarbazone 6957-91-1 AI3-52165 BRN 3530505 Benzaldehyde, p-amino thiosemicarbazone Hydrazinecarbothioamide, 2-((4-aminophenyl)methylene)- NSC 19717 p-Aminobenzaldehyde thiosemicarbazone