3-[(5R,8S,11S,14S,20R)-20-amino-14-[(2S)-but-2-yl]-8-(carbamoylmethyl)-17-[(4-hydroxyphenyl)methyl]-5-{[(2S)-2-[(3S)-6-carbamoyl-3-(2-methylpropyl)-1,4-dioxo-2,5-diazahex-1-yl]tetrahydro-1H-pyrrol-1-yl]carbonyl}-7,10,13,16,19-pentaoxo-6,9,12,15,18-pentaza-1,2,3-trithiacyclohenicosan-11-yl]propanamide 2,2,2-trifluoroacetic acid