115654-28-9 L-threo-Pentonamide, N-(1-(aminomethyl)-2-methylbutyl)-5-cylohexyl-2,4,5-trideoxy-4-((N-(N-(thoxycarbonyl)-3-(2-thien l)-L-alanyl)-L-histidyl)amino)- N-(1-(Aminomethyl)-2-methylbutyl)-5-cylohexyl-2,4,5-trideoxy-4-((N-(N-(thoxycarbonyl)-3-(2-thien l)-L-alanyl)-L-histidyl)amino)-L-threo-pentonamide S 862033 S-862033