4-butoxybenzene-1,3-diamine dihydrochloride

4-butoxy-6-[4-(ethylisopropylamino)phenylamino]-3-iminocyclohexa-1,4-dienylamine hydrochloride

2-chloro-4-[(2,4-diamino-5-butoxyphenyl)imino]cyclohexa-2,5-dien-1-one

2-[[4-(2-amino-5-butoxy-4-iminocyclohexa-2,5-dienylideneamino)phenyl](2-hydroxyethyl)amino]ethanol

2-{[4-(2-amino-5-ethoxy-4-imino cyclohexa-2,5-dienylideneamino)phenyl]-ethylamino}ethanol hydrochloride