can't read?
1-Chloro-2,4-dinitrobenzene - is an organic compound with the formula (O2N)2C6H3Cl.
C 2057 (OTTO) 1-Chloro-2,4-dinitrobenzene, GR - used as alkylating agent to evaluate the depletion of intracellular erythrocyte glutathione (GSH).