6-(butylaminomethylidene)-3-methoxycyclohexa-2,4-dien-1-one

2-(n-butylamino)-7,9-dichloro-5-(1-pyrrolidino)-1,3,4,6,9b-pentaazaphenalene

N-butyl-2,2-dimethylpent-4-en-1-imine

3-(butylamino)-4-nitrobenzonitrile

[3-(butyliminomethyl)phenyl]methanol