2-(1-(7-Chloro-9-(chloromethyl)-9H-thioxanthen-2-yl)ethylidene)hydrazinecarboxamide 2-Acetyl-7-chloro-9-chloromethylthioxanthene semicarbazone 66949-59-5 BRN 1601561 Hydrazinecarboxamide, 2-(1-(7-chloro-9-(chloromethyl)-9H-thioxanthen-2-yl)ethylidene)- VUFB-8761