fasudil hydrochloride1-(5-isoquinolinesulfonyl)homopiperazine hydrochloride4-(isoquinolin-5-ylsulfonyl)-1,4-diazepan-1-ium chlorideAT 877 hydrochlorideHA 1077 hydrochloridefasudil HClhexahydro-1-(5-isoquinolinylsulfonyl)-1H-1,4-diazepine monohydrochloride