Nintedanib Impurity 40

Chemical Name: Dimethyl 3,3'-(((((2,2'-(piperazine-1,4-diyl)bis(acetyl))bis(methylazanediyl))bis(4,1-phenylene))bis(azanediyl))bis(phenylmethanylylidene))(3Z,3'Z)-bis(2-oxoindoline-6-carboxylate)

Synonym: pyrimidine-2,4,6-triamine

Smile: O=C(N(C1=CC=C(N/C(C2=CC=CC=C2)=C3C(NC4=C\3C=CC(C(OC)=O)=C4)=O)C=C1)C)CN5CCN(CC(N(C6=CC=C(N/C(C7=CC=CC=C7)=C8C(NC9=C\8C=CC(C(OC)=O)=C9)=O)C=C6)C)=O)CC5