5-(2-kloro-6-fluorofenil)-2H-tetrazol
α-L-aspartyl-N6-(terc-butoxykarbonyl)-L-lysyl-N1-(terc-butoxykarbonyl)-L-tryptofyl-L-alanyl-O-terc-butyl-L-seryl-L-leucyl-N1-(terc-butoxykarbonyl)-L-tryptofyl-N-trityl-L-asparaginyl-N1-(terc-butoxykarbonyl)-L-tryptofyl-L-fenylalanínamid, terc-butyl ester