Linagliptin Impurity 12

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((3R)-3-(((Z)-2,3,4,5,6-pentahydroxyhex-1-en-1-yl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Synonym: 6-(4-(1-carboxyethyl)phenyl)-5-oxohexanoic acid

Smile: O=C(N(C)C(N=C(N1CCC[C@@H](N/C=C(O)/C(C(O)C(O)CO)O)C1)N2CC#CC)=C2C3=O)N3CC4=NC5=CC=CC=C5C(C)=N4