166974-82-9

1H-Indole-1,2-dicarboxylic acid,4,6-dichloro-3-[[1-[(1,1-dimethylethoxy)carbonyl]-2-[3-[[(1,1-dimethylethoxy)carbonyl]amino]phenyl]-3-oxo-4-pyrazolidinylidene]methyl]-,bis(1,1-dimethylethyl) ester, (E)-