1,2,4-Trichloro-3,5-dinitrobenzene 1,3,4-Trichloro-2,6-dinitrobenzene 2,6-Dinitro-1,3,4-trichlorobenzene 2678-21-9 AI3-23491 Benzene, 1,2,4-trichloro-3,5-dinitro- Brassisan EINECS 220-228-6 NSC 5278 OLPISAN Olpizan