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Specimen IR spectra of some DHPMs:Part-IIIResults and Discussion1. IR spectrum of 5-benzoyl-4-(4-chlorophenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one (VIIii)ClOHNO NHCH 3JB-2003Molecular Formula = C 18H 15ClN 2O 2Formula Weight = 326.7769IR (KBr) cm -1 : 3307(γ NH ), 1706(γ CO ), 1677(γ CONH ), 745(γ C-Cl ).2. 1 H NMR spectrum of 5-benzoyl-4-(4-chlorophenyl)-6-methyl-3,4-dihydro-pyrimidin-2(1H)-one (VIIii)ClOHNO NHCH 3JB-2003Molecular Formula = C 18H 15ClN 2O 2Formula Weight = 326.77691 H NMR 400 MHz (DMSO-d 6 , δppm): 1.72 (s, 3H, CH 3 ), 5.46 (d, 1H, H at 4, J = 2.96),7.34 (br, s, 1H, NH of 1), 7.22-7.49 (m, 9H, Ar-H), 8.94 (s, 1H, NH at 3).464