Phase transfer catalyst

3-[(4-nitrophenyl)amino]-1H-indole-2-carbaldehyde

3-[(5-methyl-3-nitro-1H-pyrazol-1-yl)methyl]benzoic acid

3-nitro-4-piperidin-1-ylbenzoic acid

1-(3,5-dimethyl-4-nitro-1H-pyrazol-1-yl)acetone

1-(4-nitro-1H-pyrazol-1-yl)acetone

(3-nitro-1H-pyrazol-1-yl)acetic acid

1-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetone

6-methyl-8-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid

4-(2-nitro-5-piperazin-1-ylphenyl)morpholine

2-{[5-(3-methylpiperazin-1-yl)-2-nitrophenyl]amino}ethanol

(3,5-dimethyl-4-nitro-1H-pyrazol-1-yl)acetic acid

(5-methyl-3-nitro-1H-pyrazol-1-yl)acetic acid

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

(4-nitro-1H-imidazol-1-yl)acetic acid

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

(2E)-3-(2-furyl)-1-(3-nitrophenyl)prop-2-en-1-one