LGT01: Linagliptin EP Impurity A [CAS # 668270-11-9]

LGT01: Linagliptin EP Impurity A [CAS # 668270-11-9]

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Linagliptin (S)-Isomer ;

Ent-Linagliptin ; 

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

8-[(3S)-3-aminopiperidin-1-yl]-7-(but-2-yn-1-yl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-3,7-dihydro-1H-purine-2,6-dione ;

CAS# 668270-11-9 ; 

C25H28N8O2 ;
Mol. Wt.: 472.5422 ;