Fasudil Impurity 21

Fasudil Impurity 22 1-[(1-Chloro-5-isoquinolinyl)sulfonyl]hexahydro-1H-1,4-diazepine Fasudil Impurity 6 Fasudil Impurity 24 Fasudil Impurity 5

Fasudil IMpurity 3 1,4-ditosyl-1,4-diazepane Isoquinoline Fasudil Impurity 6 Fasudil Impurity 19

Fasudil Impurity 20 Fasudil Impurity 23 Fasudil N-hydroxy iMpurity Homopiperazine QUINOLINE-8-SULFONIC ACID

Fasudil Impurity 7 Fasudil IMpurity 1 N,N'-Bis(ethylene)-p-Toluenesulfonamide