37691-11-5 AIDS-006469 AIDS006469 Anti-pain Antipain L-Valinamide, N(sup 2)-(((1-carboxy-2-phenylethyl)amino)carbonyl)-L-arginyl-N-(4-((aminoiminomethyl)amino)-1-formylbutyl)- Phe-CO-Arg-Val-L-Arg-H