121785-71-5 2-Piperidinecarboxylic acid, 1-(5-((aminoiminomethyl)amino)-1-oxo-2-(((1,2,3,4-tetrahydro-3-methyl-8-quinolinyl)sulfonyl)amino)pentyl)-4-methyl-, (2R-(1(S*(R*)),2alpha,4beta))- 21R-Argatroban Argatroban