1,4-Cyclohexanebis(methylamine), N,N'-bis(cyclopentylmethyl)-, dihydrochloride 3875-01-2 N,N'-(1,4-Cyclohexylenedimethylene)dicyclopentanemethylamine dihydrochloride N,N'-Bis(cyclopentylmethyl)-1,4-cyclohexanebis(methylamine) dihydrochloride