Phase transfer catalyst

beta-hydroxy-3-nitrophenylalanine

N-(3-acetylphenyl)-4-methyl-3-nitrobenzamide

2-[(4-nitrobenzyl)oxy]benzaldehyde

1-(3-nitro-1H-1,2,4-triazol-1-yl)acetone

N-(3-acetylphenyl)-2-methyl-3-nitrobenzamide

3-methoxy-4-[(2-nitrobenzyl)oxy]benzaldehyde

(5-nitro-1H-1,2,4-triazol-3-yl)acetic acid hydrate

(4-nitrobenzyl)1,2,3,4-tetrahydronaphthalen-1-ylamine

3-methoxy-4-(4-nitrophenoxy)benzaldehyde

3-[(4-nitrobenzyl)oxy]benzaldehyde

4-(3-nitro-1H-1,2,4-triazol-1-yl)butan-2-one

3-(1-nitrocyclohexyl)propanoic acid

1-(3-nitro-1H-pyrazol-1-yl)acetone

4-(3-aminopropyl)-1,2,5-oxadiazole-3-carboxylic acid 5-oxide

(5-nitro-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetic acid

2-methyl-8-quinolinol 1-oxide