Pentoxifylline EP Impurity H
CAS No. 200556-62-3
C18H26N4O4
M.W. 362.43

Pentoxifylline EP Impurity I
CAS No. 55247-90-0
C14H14N4O2
M.W. 270.29

Pentoxifylline EP Impurity K
CAS No. 74857-22-0
C17H20N8O4
M.W. 400.40

Pentoxifylline EP Impurity J
CAS No. 874747-30-5
C26H34N8O5
M.W. 538.61
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