LGT56: Linagliptin N-Formyl Impurity

8-[(3R)-3-Formylamino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione ;

C26H28N8O3 ;

​Mol. Wt.: 500.55 ;