N-(7-chloro-4-quinolyl)-N'-ethyl-1,6-diaminohexane

2-hydroxy-5-nitro-4-sulfonaphthalene-1-diazonium

ethyl 2-(pyridine-3-carbonyl)butanoate

苯并[a]蒽-7-硫醇

3-ethyl-4-sulfanylidene-1,3-thiazolidin-2-one