1-Cyclohexen-1-ylethylamine 1-Cyclohexene-1-ethanamine 2-(1-Cyclohexen-1-yl)ethylamine 2-(1-Cyclohexenyl)ethylamine 3399-73-3 Cyclohex-1-ene-1-ethylamine Cyclohexenylethylamine Cyclohexylethylamine EINECS 222-267-4 NSC 26453 beta-(1-Cyclohexenyl)ethylamine