3,4-Dimethoxybenzaldehyde (p-tricyanovinylphenyl)hydrazone 73664-54-7 BENZALDEHYDE, 3,4-DIMETHOXY-, (p-TRICYANOVINYLPHENYL)HYDRAZONE BRN 1829086 Veratraldehyde (p-(tricyanovinyl)phenyl)hydrazone