4-nitro-N-[2-[(4-nitrophenyl)sulfonylamino]ethyl]benzenesulfonamide

2-methyl-1,4,5,6-tetrahydropyrimidine

1,2-dimethyl-4,5-dihydroimidazole

1,2-dimethyl imidazolinium iodide

1,1,4-trimethyl, 4-acetyl-ethylenediamine