2,2-Dichloroacetaldehyde (1,3,7-trimethyl-8-xanthinyl)hydrazone 73664-29-6 8-[2-(2,2-Dichloroethylidene)hydrazino]caffeine Acetaldehyde, dichloro-, (1,3,7-trimethyl-8-xanthinyl)hydrazone Acetaldehyde, dichloro-, (2,3,6,7-tetrahydro-1,3,7-trimethyl-2,6-dioxo-1H-purin-8-yl)hydrazone Caffeine, 8-[2-(2,2-dichloroethylidene)hydrazino]- NSC62590 [Dichloroacetaldehyde-8-caffeine]hydrazone