2-N-CARBOBENZYLOXY-2-DEOXY-D-GLUCOSAMINE

2-NITRO-4-(TRIFLUOROMETHYL)BENZENESULFONYL CHLORIDE

4-METHYL-3-NITROPHENYL ISOCYANATE

2-Nitrobenzenesulfonamide

O-NITROPHENYL-1-THIO-BETA-D-GALACTOPYRANOSIDE

2-Nitrophenylhydrazine hydrochloride