10,10'-(1,6-Hexanediylbis(oxy))bis-6,8,10-triazaspiro(4.5)deca-6,8-diene-7,9-diamine dihydrochloride 172280-69-2 6,8,10-Triazaspiro(4.5)deca-6,8-diene-7,9-diamine, 10,10'-(1,6-hexanediylbis(oxy))bis-, dihydrochloride