1,4-Cyclohexanebis(methylamine), N,N'-diisobutyl-, dihydrochloride 7322-73-8 Diisobutyl-1,4-cyclohexanebis(methylamine) dihydrochloride Isobutylamine, N,N'-(1,4-cyclohexylenedimethylene)di-, dihydrochloride N,N'-(1,4-Cyclohexylenedimethylene)diisobutylamine dihydrochloride