Kn-62127191-97-3100 % similar 1-(5-Isoquinolinylsulfonyl)piperazine84468-24-639 % similar Fasudil103745-39-739 % similar Fasudil hydrochloride105628-07-737 % similar H 7 Dihydrochloride108930-17-237 % similar 1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride140663-38-336 % similar 5-Isoquinolinesulfonyl chloride84468-15-532 % similar 5-Isoquinolinesulfonic acid27655-40-930 % similar