中文别名：
利拉利汀杂质27;利拉利汀杂质E;利格列汀杂质E;利格列汀杂质27;利格列汀杂质14;利格列汀杂质IE;利格列汀杂质WI;(R) -7-(但是-2-YN-1-基)-1-(4-甲基喹唑啉-2-基)甲基)-8-(哌啶-3-基氨基)-3,7-二氢-1H-嘌呤-2,6-二酮
英文别名：
(R)-7-(but-2-ynyl)-3-Methyl-1-((4-Methylquinazolin-2-yl)Methyl)-8-(piperidin-3-ylaMino)-1H-purine-2,6(3H,7H)-dione;Linagliptin iMpurity E;Linagliptin Impurity 27;Linagliptin impurity 10/tert-butyl (S)-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate;Linagliptin impurity 2/Tert-butyl (S)-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate;(S)-tert-butyl (1-(7-(but-2-yn-1-yl);Linagliptin-5;1H-Purine-2,6-dione, 7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-8-[(3R)-3-piperidinylamino]-
