Alogliptin Benzoate Dimer Nitroso Impurity

Chemical Name: (R)-N-(3-(2-cyanobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-N-(1-(3-(2-cyanobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)nitrous amide

Synonym: N-Nitroso-2-({6-[(3R)-1-{3-[(o-Cyanophenyl)methyl]-1-methyl-2,6-dioxo-1,3-dihydropyrimidin-4-yl}-3-piperidylamino]-3-methyl-2,4-dioxo-1,3-dihydropyrimidin-1-yl}methyl)benzonitrile

Smile: O=NN(C(N(CC1=C(C=CC=C1)C#N)C2=O)=CC(N2C)=O)[C@H]3CN(C(N(CC4=C(C=CC=C4)C#N)C5=O)=CC(N5C)=O)CCC3