Synonyms |
(R,E)-8-(3-Aminopiperidin-1-yl)-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione ; 8-[(3R)-3-Amino-1-piperidinyl]-7-[(2E)-3-bromo-2-buten-1-yl]-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione ; Linagliptin Impurity S ( E-Isomer ) ; N-Des-(2-butyn-1-yl)-N-(3-bromo-2-buten-1-yl) Linagliptin |