62469-25-4 ETHYLENEDIAMINE, N-(2-(10,11-DIHYDRO-5H-DIBENZO(a,d)CYCLOHEPTEN-5-YLENE)ETHYL)-N Ethylenediamine, N-(2-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-ylene)ethyl)-N',N'-diethyl-, dihydrochloride