2,6-Dimethyl-benzoic acid 3-(2-benzyloxycarbonylamino-3-phenyl-propionylamino)-7-tert-6-((4,4-difluoro-1,3-dimethyl-5-(4- methoxyphenyl)-4-bora-3a,4a-diaza- s-indacene-2-propionyl)amino) hexanoyl amino-2-oxo-heptyl ester nchembio728-comp6