3-[(4R,7S,10S,13S,16S)-4-{[(2S)-2-[(3R)-8-amino-8-azanylidene-3-{[(carbamoylmethyl)amino]carbonyl}-1-oxo-2,7-diazaoct-1-yl]pyrrolidin-1-yl]carbonyl}-13-benzyl-7-(carbamoylmethyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosan-10-yl]propanamide diacetic acid