N-(1,8-dimethylimidazo[2,1-c]quinoxalin-4-yl)ethane-1,2-diamine hydrochloride N-(1,8-dimethyl-4-imidazo[2,1-c]quinoxalinyl)ethane-1,2-diamine hydrochloride 2-aminoethyl-(1,8-dimethylimidazo[2,1-c]quinoxalin-4-yl)amine hydrochloride N-(1,8-Dimethylimidazo[1,2-a]quinoxalin-4-yl)-1,2-ethanediamine hydrochloride B9935_SIGMA BMS-345541