Linagliptin;8-[(3R)-3-amino-1-piperidinyl]-7-(2-butynyl)-3,7-dihidro-3-methyl-1-[(4-metil-2-metil]quinazolinyl)-1H-purina-2,6-diona;(R)-8-(3-amino-piperidin-1-yl)-7-pero-2-ynyl-3-metil-1-(4-metil-quinazolin-2-ylmethyl)-3,7-dihidro-2,6-purina-diona;1H-Purina-2,6-diona,8-((3R)-3-amino-1-piperidinyl)-7-(2-butynyl)-3,7-dihidro-3-methyl-1-((4-metil-2-quinazolinyl)metilo)-;Bi1356;Ondero;8-[(3R)-3-amino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihidro-3-methyl-1-[(4-metil-2-metil]quinazolinyl)-1H-purina-2,6-diona;8-[(3R)-3-amino-1-piperidinyl]-7-(2-butynyl)-3,7-dihidro-3-methyl-1-[(4-metil-2-metil]quinazolinyl)-1H-purina-2,6-d