Pregabalin EP Impurity A
CAS No. 181289-23-6
C8H15NO
M.W. 141.21

rac-Pregabalin EP Impurity A (Pregabalin Lactam Impurity)
CAS No. 61312-87-6
C8H15NO
M.W. 141.21

Pregabalin EP Impurity C
CAS No. 90-64-2
C8H8O3
M.W. 152.15

Pregabalin EP Impurity B ((R)-Pregabalin)
CAS No. 148553-51-9
C8H17NO2
M.W. 159.23

Pregabalin EP Impurity D (Mandelic Acid Isopropyl Ester)
CAS No. 4118-51-8
C11H14O3
M.W. 194.23
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