4-(2-(4-Nitrophenyl)ethenyl)benzenamine , its CAS NO. is 4629-58-7, the synonyms are CCRIS 5148 ; EINECS 225-045-5 ; 4-(4-Nitrostyryl)aniline ; 4-Amino-4'-nitrostilbene ; Benzenamine, 4-(2-(4-nitrophenyl)ethenyl)- .