(T-4)-[N-[6-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-5-[[5-(4-methoxyphenyl)-2H-pyrrol-2-ylidene-κN]methyl]-2,4-dimethyl-1H-pyrrole-3-propanamidato-κN1]difluoroboron [ 217190-15-3 ]