N-[3-(10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-2-methylpropyl]-N,N′,N′,2-tetramethylpropane-1,3-diamine; N1-(3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-2-methylpropyl)-N1,N3,N3,2-tetramethylpropane-1,3-diamine