3-[(5S,8S)-8-(1H-Benzimidazol-2-ylaminomethyl)-7-(butoxycarbonyl)-1-oxa-2,7-diazaspiro[4.4]non-2-en-3-ylcarboxamido]-2(S)-(2,4,6-trimethylphenylsulfonamido)propionic acid trifluoroacetate
CAS No. 197079-98-4