4-Methyl-1-(N(2)-(5,6-dimethylaminonaphthalene)-1-sulfonyl-L-arginyl)piperidine 4-Methyl-1-(N(2)-(5-dimethylaminonaphthalene)-1-sulfonyl-L-arginyl)piperidine 77787-46-3 Piperidine, 1-(5-((aminoiminomethyl)amino)-2-(((5-(dimethylamino)-1-naphthalenyl)sulfonyl)amino)-1-oxopentyl)-4-methyl-, (S)- TI 189 TI-189