(S)-N-(p-Amidino-alpha-(piperidinocarbonyl)phenethyl)-2-(2-naphthylsulfonamido)acetamide 86845-59-2 88095-68-5 Acetamide, N-(p-amidino-alpha-(piperidinocarbonyl)phenethyl)-2-(2-naphthylsulfonamido)-, (S)- N-alpha-(2-Naphthylsulfonylglycyl)-4-amidinophenylalanine piperidide