1-(N(sup alpha)-Dansyl-L-arginyl)-4-ethylpiperidine 55381-72-1 BRN 1612577 Piperidine, 1-(5-((aminoiminomethyl)amino)-2-(((5-(dimethylamino)-1-naphthalenyl)sulfonyl)amino)-1-oxopentyl)-4-ethyl-, (S)- dansylarginine N-(3-ethyl-1,5-pentanediyl)amide