2-Methoxy-4-nitroanilin 2-Nitrothiophen 2,4-Dichloro-5-nitrophenol 2-(3-Amino-4-chloro-benzoyl)benzoic acid 4-Methoxy-2-nitro-anilin Azasetron hydrochloride 2-Nitroso-1-naphthol 4-Chlor-3-nitrobenzoesure 2,6-Xylidin 2-Chlor-1,5-dinitro-3-(trifluormethyl)benzol 2,6-Dinitrophenol 3,5-Dinitrosalicyls?ure Nitrotoluidin N,N-Dimethyl-phenylendiamin (p)