Phase transfer catalyst

3-nitro-N-propyl-2-pyridinamine

N-cyclopentyl-3-nitro-2-pyridinamine

5-amino-6-nitro-1H-isoindole-1,3(2H)-dione

2-azidopropane

1-(azidomethyl)-4-methylbenzene

1-(azidomethyl)-2-methylbenzene

3-azido-1H-1,2,4-triazol-5-amine

1-azido-2-(methylsulfonyl)ethane

2-azido-N-methylacetamide

tert-butyl 3-(azidomethyl)piperidine-1-carboxylate

tert-butyl 4-azidopiperidine-1-carboxylate

3,4-dimethyl-5-nitropyridine

(Z)-N~1~-(4-methoxybenzyl)-2-nitroethylene-1,1-diamine

ethyl (2Z)-3-(dimethylamino)-2-isocyanoacrylate

2-nitroethylene-1,1-diamine

tert-butyl 4-(azidomethyl)piperidine-1-carboxylate