20234-13-3 4-08-00-00226 (Beilstein Handbook Reference) 5-Chlorosalicylaldehyde 3-thiosemicarbazone BRN 2560139 Benzaldehyde, 5-chloro-2-hydroxy-, 3-thiosemicarbazone Hydrazinecarbothioamide, 2-((5-chloro-2-hydroxyphenyl)methylene)- Salicylaldehyde, 5-chloro-, 3-thiosemicarbazone