西格列汀杂质 Sitagliptin impurity D C18H17F6N5O2 M.W. 449.36
西格列汀杂质 Sitagliptin Enamine impurity C16H13F6N5O M.W. 405.31
西格列汀杂质 Sitagliptin Acid Impurity HCl CAS No. 1204818-19-8
C10H10F3NO2. HCl M.W. 233.19 36.46
西格列汀杂质 Sitagliptin Triazole Impurity HCl CAS No. 762240-92-6
C6H7F3N4. HCl M.W. 192.14 36.46
西格列汀杂质 Sitagliptin Defluoro Impurity 3 (Sitagliptin impurity I)
CAS No. 851307-12-5 C15H19F2NO4 M.W. 315.32
西格列汀杂质 Sitagliptin Defluoro Impurity 4 CAS No. 1271773-97-7
C15H19F2NO4 M.W. 315.32
西格列汀杂质 (S)-Sitagliptin N-Boc-Acid Impurity CAS No. 922178-94-7
C15H18F3NO4 M.W. 333.31
西格列汀杂质 (R)-Sitagliptin N-Boc-Methyl-Ester Impurity CAS No. 881995-73-9
C16H20F3NO4 M.W. 347.34
西格列汀杂质 (R)-Sitagliptin Methyl-Ester Impurity CAS No. 881995-69-3
C11H12F3NO2 M.W. 247.22
西格列汀杂质 Sitagliptin N-Phoshate Impurity CAS No. 1351498-25-3
C16H16F6N5O4P M.W. 487.30
西格列汀杂质 Sitagliptin Deamino Impurity 1 CAS No. 1253056-18-6
C16H12F6N4O M.W. 390.29
西格列汀杂质 (R)-Sitagliptin N-Boc-Acid Impurity CAS No. 486460-00-8
C15H18F3NO4 M.W. 333.31
西格列汀杂质 Sitagliptin N-Boc Impurity CAS No. 486460-23-5
C21H23F6N5O3 M.W. 507.44
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