129695-80-3 4-(2-((5-Isoquinolinylsulfonyl)amino)-3-(4-phenyl-1-piperazinyl)propyl)phenyl 5-isoquinolinesulfonate 5-Isoquinolinesulfonic acid, 4-(2-((5-isoquinolinylsulfonyl)amino)-3-(4-phenyl-1-piperazinyl)propyl)phenyl ester KN 04 KN-04 N-(1-(P-(5-Isoquinolinesulfonyl)benzyl)-2-(4-phenylpiperazinyl)ethyl)-5-isoquinolinesulfonamide