Phase transfer catalyst

[(2-nitrophenyl)sulfinyl]acetic acid

2-[4-(4-nitro-2,1,3-benzoxadiazol-5-yl)piperazin-1-yl]ethanol

8-hydroxy-5-nitroquinoline-2-carbaldehyde

2-methyl-1-(4-nitrobenzyl)-1H-indole-3-carbaldehyde

(2-methyl-4-nitro-5-pyrrolidin-1-ylphenyl)amine

(2-methyl-5-morpholin-4-yl-4-nitrophenyl)amine

5-(2-methoxy-5-nitrophenyl)-2-furaldehyde

4-[(2-aminoethyl)amino]-3-nitrobenzoic acid

3-nitro-4-pyrrolidin-1-ylbenzoic acid

1-(2-methoxy-5-nitrophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde

5-nitro-2-pyrrolidin-1-ylbenzoic acid

3-nitro-4-[(pyridin-3-ylmethyl)amino]benzoic acid

5-(4-methyl-2-nitrophenyl)-2-furaldehyde

2-(4-nitrophenyl)quinoline-4-carboxylic acid

5-(4-nitrophenyl)thiophene-2-carboxylic acid

N-(2-methoxy-4-nitrophenyl)-3-oxobutanamide