Linagliptin Impurity R Catalogue L562383 CAS 1646355-34-1 M.W 417.46 M.F C22H23N7O2 Specifications FAQs Synonyms: 7-(but-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione
