Synonyms: Guanidine,[3-(2-sec-butyl-3,7-dihydro-6-indol-3-yl-3-oxoimidazo[1,2-a]pyrazin-8-yl)propyl]-,dihydrobromide, (?à)-(8CI); Guanidine,[3-[3,7-dihydro-6-(1H-indol-3-yl)-2-(1-methylpropyl)-3-oxoimidazo[1,2-a]pyrazin-8-yl]propyl]-,dihydrobromide (9CI); Guanidine, [3-[3,7-dihydro-6-(1H-indol-3-yl)-2-(1-methylpropyl)-3-oxoimidazo[1,2-a]pyrazin-8-yl]propyl]-,dihydrobromide, (?à)-;Imidazo[1,2-a]pyrazine, guanidine deriv.