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Table 12 FT-IR Characteristic functional groups of candesartan cilexetil

From: Oral solid self-nanoemulsifying drug delivery systems of candesartan citexetil: formulation, characterization and in vitro drug release studies

No. Functional groups Peaks (cm−1)
I. -O-H Stretching 2800–3380
II. -C = O- Stretching 1670–1820
III. -C-O- Stretching 1210–1350
IV. -O- Substitution 600–750
V. Aromatic C-H Stretching 2850–2950