4-methyl-6-(4-methylpiperazin-1-yl)-2-oxo-5-[[4-oxo-3-(2-phenylethyl)-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-1-propylpyridine-3-carbonitrile

6-(4-benzylpiperazin-1-yl)-5-[[3-(2-ethylhexyl)-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-methyl-2-oxo-1-propylpyridine-3-carbonitrile

5-[(3-hexyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-4-methyl-6-(3-methylpiperidin-1-yl)-2-oxo-1-propylpyridine-3-carbonitrile

2,2-dimethyl-1-oxidopyrrol-1-ium

2-(2,2-dimethylpyrrolidin-1-yl)ethanol