493005-13-3

11-Oxa-2,4,9-triazatridec-2-enoic acid,12,12-dimethyl-8-[[(4-methyl-2-oxo-2H-1-benzopyran-7-yl)amino]carbonyl]-10-oxo-3-[[(phenylmethoxy)carbonyl]amino]-, phenylmethyl ester,(8S)-